Bài 1: Khoanh tròn đáp án đúng:

1.My mother used to tell me stories_______________ I went to bed.

A.since

B.until

C.before

2.You better take the keys_______________________ I’m not out.

A.in case

B.since

C.after

3.My mother like eating fried chicken______________ it’s very bad for his health.

A.because

B.although

C.when

4.Yesterday, Jim was playing the piano_____________his sister was playing the flute

A.as

B.although

C.while

5.You shouldn’t spend too much on computer_____________ it is harmful to your eyes.

A.as

B.when

C.although

6.I will phone you ___________________ I get there.

A.while

B.as soon as

C.untill

7.The scientist usually works in his lab____________  the sun sets.

A.untill

B.as soon as

C.although

8.____________you promise not to tell lies again, I won’t forgive you.

A.If

B.Even If

C.Unless

9._____________her legs were hurt, she made attempt to finish the running track.

A.Even If

B.As if

C.Unless

10.She talked_____________ she witnessed the accident. But in fact she knew nothing.

A.as if

B.even though

C.even If

11.I didn’t finish my home work____________ I was seriously ill yesterday.

A.when

B.though

C.since

12.James decided to save money from now______ he has enough money to travel this summer

A.so that

B.though

C.when

13.________ we have been friends for only one year, we deeply understand each other.

A.If

B.Though

C.Once

14. Mr Smith doesn’t like dogs,_____________ his wife love them.

A.

B.

C.

15.I was cycling home yesterday___________ I saw Jim standing near the foundtain.

A.when

B.while

C.since