5. The color of my coat is different from ____ of yours.

　　 A. this　　 B. that　　 C. it　　 D. one

4. -- Have you ever seen a whale alive？

　　　 Yes, I've seen ____.

　　 A. that　　 B. it　　　 C. such　　 D. one

3. ____ was Jane that I saw in the library this morning.

　　 A. It　　　　 B. He　　 C. She　　 D. That

2. -- Who's that？

　　　 ____ Professor Li.

　　 A. That's　　 B. It's　　 C. He's　　 D. This's

1. My bike is missing. I can't find ____ anywhere.

　　 A. one　　 B. ones　　 C. it　　 D. that

40. I didn't know his telephone number， otherwise I ______ him.

　　 A. had telephoned　　 B. would telephone　　 C. would have telephoned　　 D. telephone

39. It is important that we ________.

　　 A. shall close the window before we leave

　　 B. will close the window before we leave

　　 C. must close the window before we leave

　　 D. close the window before we leave

38. His tired face suggested that he ________ really tired after the long walk.

　　 A. had been　　 B. was　　 C. be　　 D. should be

37. -- Would you have called her up had it been possible？

　　　　 Yes, but I ________ busy doing my homework.

　　 A. was　　 B. were　　　　 C. had been　　　 D. would be

36. Our monitor requested that ________.

　　 A. all the class studied more carefully the problem

　　 B. the problem was more carefully studied

　　 C. with great care the problem could be studied

　　 D. all the class study the problem more carefully