Rewrite the sentences and keep their same meaning as the first ones. (0.6 point)

1. The second prototype performed worse than the first one. (than)

→ The first prototype _________________________________.

2. With advanced technology, researchers are able to explore distant planets. (thanks)

→ Researchers _____________________________________. 

3. The scientists were collecting data; the earthquake occurred. (when)

→ The scientists _____________________________________. 

Put the words/phrases into the correct order to make complete sentences. (0.6 point)

1. easily / The robot / to / its environment / than / adapts / expected. / changes / more / in 

2. in / when / at night. / He / a comet / camping / a mountain / he / was / saw / 

3. to / avoid / carefully / It’s / damage. / to / electronic devices / essential / handle 

Exercise 1. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If we _____________ (send) an invitation, our friends _____________ (come) to our party.

2. He _____________ (not/ understand) you if you _____________ (whisper).

3. They _____________ (not/ survive) in the desert if they _____________ (not/ take) extra water with them.

4. If you _____________ (press) CTRL + S, you _____________ (save) the file. 5. You _____________ (cross) the Channel if you _____________ (fly) from Paris to London.

6. Fred _____________ (answer) the phone if his wife _____________ (have) a bath.

7. If Claire _____________ (wear) this dress at the party, our guests _____________ (not/ stay) any longer.

8. If I _____________ (touch) this snake, my girlfriend _____________ (not/ scream).

9. She _____________ (forget) to pick you up if you _____________ (not/ phone) her.

10. I _____________ (remember) you if you _____________ (give) me a photo.

Exercise 2. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study) hard, I _____________ (improve) my English.

2. Theresa _____________ (go) to Japan if she _____________ (get) a cheap flight.

3. If her boyfriend _____________ (not call) today, she _____________ (leave) him.

4. If the phone _____________ (ring), _____________ (you/answer) it? 5. What _____________ (you/do) if you _____________ (not find) your wallet?

6. He _____________ (find) a part time job if he _____________ (keep) looking.

7. If you _____________ (feel) unwell tomorrow, _____________ (take) a rest.

8. If they _____________ (not tell) us, we _____________ (keep) asking. 9. _____________ (you/let) me go if I _____________ (promise) to come back early?

10. He _____________ (eat) some popcorn if he _____________ (feel) hungry.

Exercise 3. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study), I _____________ (pass) the exams.

2. If the Sun _____________ (shine), we _____________ (walk) to the town.

3. If he _____________ (have) a temperature, he _____________ (see) the doctor.

4. If my friends _____________ (come), I _____________ (be) very happy.

5. If she _____________ (earn) a lot of money, she _____________ (fly) to New York.

6. If we _____________ (travel) to London, we _____________ (visit) the museums.

7. If you _____________ (wear) sandals in the mountains, you _____________ (slip) on the rocks.

8. If Rita _____________ (forget) her homework, the teacher _____________ (give) her a low mark.

9. If they _____________ (go) to the disco, they _____________ (listen) to loud music.

10. If you _____________ (wait) a minute, I _____________ (ask) my parents.

Exercise 4. Identify the one underlined word or phrase that must be changed to make the sentence correct:

1. If (A) someone came (B) into the store, smile (C) and say, “May (D) I help you?”

2. If (A) you do not understand (B) what were written (C) in the book, you could ask (D) Mr. Pike.

3. If (A) there isn't (B) enough food (C), we couldn't continue (D) our journey.

4. If (A) anyone will phone (B), tell (C) them I'll be (D) back at 11:00.

5. I will come (A) to meet Mr. Pike and tell him about(B) your problems if (C) you didn't solve (D) them.

22 , When British people go abroad, it takes them several day ___ (get) used to ___ (drive) on the right-hand side of the road.

23)        I’m looking forward ____ (see) you again soon .

24)        Whenever we meet ,we stop ___ (talk) .

25)        I don’t like being the first person ___ (arrive) at a party.

26)        You should have your car ___ (service) regularly .

27)        I lost my key . I’ll have to get another key ___ (make).

28)        He does not allow us ___ (smoke) in his house.

29)        The manager had his secretary ____ (prepare) the report.

30)        I’m going to get Harry ___ (repair) my car.

31)        George had his nose ____ (break) in a fight.(đánh nhau)

32)        We had all our money ____ (steal) while we were on holiday

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