1.   He went back to college because he wanted to get some qualifications. (Use “to infinitive”)

He went back

2.   Stop talking or you won’t understand the lesson.

If you………………………………………………………………………………......

3.   She wanted to look after her children so she stopped work. (Use “to infinitive”)

She stopped work…………………………………………………………………….

4.    Peter is fat because he eats so many chips.

If Peter…………………………………………………………………………….......

5.      I went on the Internet because I wanted to check my e-mails. (Use “to infinitive”)

I went on ……………………………………………………………………………..

6.   They want to get some experience so they’re writing for their school magazine. (Use “to infinitive”)

They’re writing ………………………………………………………………………

7.   Keep silent or you’ll wake the baby up.

If you …………………………………………………………………………………

8.   I want to pass my exams so I’m working very hard. (Use “to infinitive”)

I’m working .…………………………………………………………………………

9.     I don’t know her number, so I don’t ring her up.

If I …………………………………………………………………………………….

Question 2: When I arrived at her house, she ________ photos in the garden.

 A. was talking B. takes C. is taking D. has taken Question 10: ________, the garden will look much more beautiful. 

 A. When spring had come B. When spring was coming C. When spring came D. When spring comes 

 Question 28: She gives her little sister a lovely doll for her birthday yesterday

. A. gives B. sister C. for D. birthday

 Question 32: She last phoned her close friend two weeks ago.

 A. She didn’t phone her close friend two weeks ago. B. She has phoned her close friend for two weeks. C. She hasn’t phoned her close friend for two weeks. D. She has two weeks to phone her close friend.

Question 8: His health has improved a lot since he _______ doing regular exercise.

 A. starts B. started C. has started D. had started Question 10: We'll send you an email of confirmation _______. 

A. after we had made our final decision B. before we made our final decision C. while we were making our final decision D. as soon as we have made our final decision

 Question 10: I have made a lot of new friends since my family _______ here. 

A. move B. moved C. will move D. was moving Question 12: I will come and see you _______. 

A. when I was finishing my homework B. as soon as I have finished my homework C. until I finished my homework D. after I had finished my homework 

 Question 13: Bill’s mother won’t let him go out with his friends _______. 

A. when he finished his homework B. after he had finished his homework C. once he finished his homework D. until he has finished his homework Question 21: Her academic performance has greatly improved since she _______ study methods.

 A. will change B. changed C. was changing D. would change