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rút gọn.
The first boy who knows the truth has just moved.
The only thing which make me worried is how to go home
The man whom I met at the bar yesterday was Tom
They’re looking for the man and his dog that have lost the way in the forest.
My wife, whom you were speaking to, wants you to come to dinner
The students whose report are very valuable will be awarded the present
The botanist will never forget the day when he found a strange plant
The man whose daughter is fond of dancing works for my father’s company
Carta has a sister whose nam is Juma
Huyen likes the blue T-shirt which my sister is wearing
II, Choose the best answer
17. He hasn't written to us ................. he left.
A. as long as B. since C. by the time D. as soon as
18. She'll only do the job .............. you pay her more.
A. before B. after C. if D. While
19. I never take an umbrella ...... it's raining heavily.
A. when B. whenever C. if D. unless
20. …….. rain or snow, there are always more than fifty thousand fans at the football games.
A. Despite B. Although C. Because D. Since
21.A small fish needs camouflage to hide itself …….. its enemies cannot find it.
A. so that B. so C. therefore D. due to
22. The gate was shut …… the cows won't get out of the cage.
A. so as to B. in order to C. so as not D. so that
23.The car was easy to recognize, ……….. it wasn't difficult for the police to catch the thieves.
A. because B. that C. so D. but
24. He works hard ................... help his family.
A. so as that B. in order to C. in order that D. A&B are correct
25.We moved to the front row ................ we could see and hear better.
A. so B. so that C. such D. such that
26. Mozart could write music ............... he was only five.
A. because B. although C. when D. however
27. I made a mistake ............. I was tired.
A. though B. so that C. because D. if
28.I will wait ............ ... he comes.
A. however B. until C. so that D. In spite of
29. .............. a headache, he enjoyed the film.
A. Although B. In spite of C. Because of D. However
30. ______ she came back to Australia, she went to the hospital.
A. While B. When C. Just as D. By the time
31. These students never do anything _________ the teacher shows them.
A. as if B. as C. because D. if
32. When I told her the news she acted _________ it was my fault.
A. as B. although C. as though D. that
33. It sounds _________ it is raining.
A. as if B. even if C. now that D. in case
34 We have bought extra food _________ our guests stay to dinner.
A. when B. in case C. as if D. so that
35. “You can go to the party tonight _________ you are sober when you come home.”
A. as soon as B. as long as C. as if D. as far as
36. You can use my car _________ you drive carefully.
A. as long as B. as C. unless D. until
37. The house is quiet as though nobody ________ at home.
A. were B. has been C. is D. will be
38. The room was very messy as if there ________ a bomb explosion.
A. was B. was having C. had been D. is
39. Don't talk to me as if I ________ a child
A. am B. were C. was D. had been
40. He walks as if he ________ a wooden leg.
A. has B. had C. has had D. is having
1:Although she studies hard,she seems never to be sucessful.
2:I must study hard so that I can pass my exam .
3:Because I am lazy , my marks are bad.
4:While I was watching TV,she came. 
Exercise 23
1. You see, I (do) have done this kind of thing for the last 30 years.
2. Go on the next test as soon as you (finish) finish this one.
3. If you (go) go away you (write) will write to me, won't you?
4. There are mice in you kitchen. If you (have) have a cat, the mice (disappear) will disappear.
5. She was badly hurt when her car hit another car. If she (wear) wears her seat belt, she (not hurt) won't hurt so badly.
6. Did the doctor recommend that you (stop) should stop smoking?
7. Is it important that we (be) will be on time for the meeting tonight?
8. I feel as if my head (be) were on fire now, doctor.
9. He talked as though he (know) had known where she was.
10. When he (start) started talking. I (realise) realised that we (meet) had meet before.
Exercise 24
1. When I (look) looked at my suitcase, I could see that somebody (try) was trying to open it.
2. When we (get) got to the restaurant, we (find) found that nobody (remember) had remembered to reserve a table.
3. The doctor (exmine) examined him, and (find) found that he (break) had broken his arm.
4. I could tell at a glance that the pile of letters on my desk (disturb) had been disturbed while I (be) was out.
5. We (be) were a few minutes late, so the film (already start) has already started when we (get) got to the cinema.
6. As soon as she arrived England, she (find) found that the language (be) was quite different from the English that she (learn) had learnt at school.
7. "Good afternoon. Can I help you?" "Yes, I (bring) brought my watch to you for repair three weeks ago. Is it ready yet?".
8. I wanted to be the first to tell her news, but I was too late. Someone (already tell) had already told her.
9. The children are filthy. Where have they (be) been?
10. I'm going to bed. I (work) have been working for hours and I'm tired.
I sport very much because it so good your heathy
I candy because it so sweet
Sau as if chia hiện tại đơn ( diễn tả tình huống có thật )
=> S + V (s/es) + as if + S + V ( s/es )
( Diễn tả tình huống ko có thật )
HT : S + V ( s/es) + S + V ( 2/ed )
QK : S + V ( 2/ed ) + S + V ( 2/ed )