13. Many people agree that　　　 knowledge of English is a must in　　　 international trade today.

A. a; 不填　　　　　 B. the; an

C. the; the　　　　　 D. 不填; the

12. Tom felt that he knew everybody's business better than they knew it　　　 .

A. themselves　　　　 B. oneself

C. itself　　　　　　 D. himself

11. How beautifully she sings! I have never heard　　　 .

A. the better voice　 B. a good voice

C. the best voice　　 D. a better voice

10. I'll look into the matter as soon as possible. Just have a little　　　 .

A. wait　　　　　　　 B. time

C. patience　　　　　 D. rest

9. -I'm sorry I broke your mirror.

-Oh, really? 　　　.

A. It's OK with me　 B. It doesn't matter

C. Don't be sorry　　 D. I don't care

8. Johnny, you　　　 play with the knife, you　　　 hurt yourself.

A. won't;can't　　　 B. mustn't; may

C. shouldn't; must　 D. can't; shouldn't

7. -When shall we meet again?

-Make it 　　　　day you like; it's all the same to me.

A. one　 B. any　　　 C. another　 D. some

6. -　　　 my glasses?

-Yes, I saw them on your bed a minute ago.

A. Do you see　　　　 B. Had you seen

C. Would you see　　 D. Have you seen

5. third　　 A. southern B. weather　　 C. thus　　 D. theory

B)从A、B、C、D四个选项中，选出可以填入空白处的最佳答案。

例：We 　　　　last night, but we went to the concert instead.

A. must have studied

B. might study

C. should have studied

D. would study

答案是C。

4. advanced　 A. task　　 B. fortunate　 C. entrance D. salute