12. There isn’t any difference between the two bikes. I ___________.

　 A. can hard make a final choice　　　　　 B. can’t decide which to choose from

　 C. don’t know which is the better choice　　 D. find it hardly to make a choice

11. It’s nearly eight o’clock. He ___________ be here at any moment.

　 A. shall　　　　　　 B. need　　　　　　 C. should　　 　　　　　D. might

10. There are five pairs ________, but I am at a loss which to choose.

　 A. to be chosen　　　　　 B. to choose from　　　　 C. to choose　　　 D. for choosing

9. People need _________ to live, which is measured in calories.

　 A. power　　　　　 B. energy　　　　　 C. strength　　　　　 D. force

8. He tried to learn English well, ___________ did his classmates.

　 A. as　　　　　　　　 B. which　　　　　 C. that　　　　　　　 D. and

7. ----Why is seawater unfit _______?

　 ----Because of the large quantities of salt __________ in seawater.

　 A. to drink; contained　　　　　　　　　　　 B. to be drunk; contained

　 C. for drinking; is contained　　　　　　　　 D. for being drunk; containing

6. Father was advised ________ for the good of his health. Which of the following is WRONG?

　 A. that he must give up smoking　　　　　　　　　 B. not to smoke

C. he give up smoking　　　　　　　　　　　　　 D. against smoking

5. ----I told Jane that she had won the first place in this exam.

　 ----She _________________.

　 A. can’t have been a bit pleased　　　　　　　 B. mustn’t have been a little pleased

　 C. can’t have been a little pleased　　　　　　　 D. mustn’t have been a bit pleased

4. ----Tell the men that they can rest for an hour.

　 ----Does that ___________ me, too?

　 A. do with　　　　　　 B. go for　　　　 C. come with　　　　　　 D. fit for

3. ---How did the prisoner manage to escape?

　 ---By ________ as a guard.

　 A. picking up　　　　 B. making up　　　　 C. dressing up　　　　 D. taking up