Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.
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1 we did not visit the museum because we had no time
a if we have time , we will visit the museum
b if we had time , we would visit the museum
c if we had had time , we would have visited the museum
d if we had had time , we will visit the museum
2 he looked frightened as if he ................
a ghost a sees b is seeing c has seen d had seen
3 ........... resigned , we would have been forced to sack him
a had he not b had not he c he had not d he not had
4 if you ................ me about the bad service , we’d have eaten there
a did not tell b would not have told c had not told d had told
5 the teacher was absent today, so class was canceled . if she ........... absent again tomorrow , class ........ tomorrow,too
a is/will cancel b is / will be canceled c was / would be canceled d was/ would cancel
6 if you .................. to my advice in the first place , you............... in this mess right now
a listen/will be b had listened / would not have been c will listened / would not be d had listened/ would not be
7 if i had been absent from class yesterday , i ............. the math test
a would missed b would have missed c will miss d miss
8 if you ............... here earlier , you ............. her
a had come / would have met b come / meet c came / would meet d comes will meet
9 i think you should stop smoking
a if i am you , i will stop smoking
b if i were you , i will stop smoking
c if i were you , i would stop smoking
d if i had been you , i would stop smoking
10 if i were , i would work harder
a you would rather not work so hard
b you should work harder
c you should work with me
d do not work so hard
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
Đáp án: D
Dịch: Trừ khi bạn làm việc chăm hơn, nếu không bạn sẽ bị sa thải.
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
Task 1: Choose the best answer
1. Do you think there would be less conflict in the world if all people _______the same language?
A. spoke B. speak C. had spoken D. will speak
2. Unless you __________all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
3. If someone __________ in to the store, smile and say, “May I help you?”
A. comes B. came C. come D. should come
4. “Here’s my phone number”.
“Thanks. I’ll give you a call if I __________some help tomorrow”
A. will need B. need C. would need D. needed
5. If I didn’t work for an accounting firm, I __________in a bank now.
A. work B. will work C. have worked D. would work
6. The death rate would decrease if hygienic conditions __________improved.
A. was B. is C. were D. had been
7. If she __________ him, she would be very happy.
A. would meet B. will meet C. met D. should meet
8. If I had enough money, I__________ abroad to improve my English.
A. will go B. would go C. went D. should have go to
9.The bench would collapse if they __________on it.
A. stood B. stand C. standing D. stands
10. If it __________convenient, let’s go out for a drink tonight,
A. be B. is C. was D. were
P/S : Good Luck
~Best Best~
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
1. If I were you, I ________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny ___________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there ________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they ________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _________ so tired if you went to bed earlier.
A. won't be B. shan't be C. couldn't be D. wouldn't be
6. If you really _________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I __________ and see her.
A. will go B. would go C. should go D. went
8. If I ________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. ______________ is found under the ground in soil, rocks, ect.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
Choose the best answer to complete each of the following sentences.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city.
A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city
. A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
Choose the best answer for each of the following sentences.
1. In my experiments, the liquid is cooled to 32oF. It always freezes.
A. If you cool the liquid to 32 degrees, it froze.
B. If you cooled the liquid to 32 degrees, it would freeze.
C. If you cool the liquid to 32 degrees, it will freeze.
D. If you had cooled the liquid to 32 degrees, it would have frozen.
2. It may rain this afternoon. I hope it doesn't because I don't want the match to be cancelled.
A. If it rains, the match is cancelled.
B. If it rains, the match will be cancelled.
C. If it rained, the match would be cancelled.
D. If it had rained, the match would have been cancelled.
3. Unfortunately, I don't know Philosophy, so I can't answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.
4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
5. If he ______ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy
B. was / will enjoy
C. has been / would enjoy
D. were / could enjoy
6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found
7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had
8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if
9. Most people you meet will be polite to you ______ .
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them
10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made
11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak
12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come
14. Sam will not graduate _______ .
A. if he passed all the tests
B. if he does not pass all the tests
C. unless he passes all the tests
D. unless he had passed all the tests
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.