Exercise 1: Choose the best answer A, B or C: 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 pianohis 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. sinc