31. Eat less food _______ you want to put on weight .

A. if　　　　　　　　　 B. unless　　　　　　 C. until　　　 D. as soon as

30.It is often said that an American starts a speech with a joke , _______ a Japanese has an apology to make.

A. which　　　　　　 B. what　　　　　　　 C. while　　　 D. that

29.I’ll leave him a note _______ he’ll know where we are.

A. so that　 　　　　　B. so as　　　　　　 C. in order　 　　　　D. for

28.　It won’t be long _______ you regret what　 you’ve done.

A. after　　　　　　　 B. before　　　　　　 C. since　　　 　　　　D. then

27.　_______, I am sure that he is honest.

A.No matter people say　　　　　　　　　　 B.What people say

C.Whatever people say　 　　　　　　　　　　D.It doesn’t matter people say

26.　You’ll surly make progress　 _______ you work with a strong will.

A. unless　　　　　　 B. until　　　　　　　 C. as long as　 　　　D. as well as

25.　______ he finished his work , he left hurriedly.

A. As soon as　　　　 B. As if　　　　　　　 C. Unless　　　 　　　D. In order that

24.Jack was very tired _______ he played tennis all afternoon .

A. if　　　　　　　　 B. as soon as　　　　 　C. because　　　 　　D. before

23.　_______ he was sleeping , they stole his clothes.

A. While　　　　　　 B. When　 　　　　　　C. As　　　　 　　　　D. Which

22.He was walking along the sands _______ he saw a big foot-print in the sand .

A. while　 　　　　　B. when　　　　　　 D. as　　　　　 　　　D. after