29.-- __ you were so late this morning?-I forgot to set the alarm before going to bed last night.

　A. why　　　　　 B. How come　　　 C. How about　　　 D. How

28. –Jim, have you finished reading the novel?-No. I ___ my father with his car all day yesterday.

　A. would help　　　　 B. had helped　　 C. was helping　 D. have been helping

27. Kathy __ a lot of Spanish by playing with the native boys and girls.

A. picked up　　　　 B. took up　　　　 C. made up　　　 D. turned up

26. We were so busy preparing at home for the coming Christmas Day that I __ my feet.

A. was rushed off　　 B. had been rushed off C. rushed off　 D. was rushing off

25.The old man spoke to the girl again, raising his voice a bit, but still ___ no answer.

A. received　　 　　　　B. receiving　　 C. had received　　 D. to receive

24. The time has come ___ we can make extensive use of nuclear energy.

A. when　　　　　　 B. which　　　 C. since　　　　　 D. while

23. I was desperate when ___ with AIDS, but now face facts and will struggle against it.

A. having diagnosed　 B. diagnosed　　 C. diagnosing　　　 D. being diagnosed

22. ____ I accept that he is not perfect, I do actually like the person.

A. While　　　　　 B. Since　　　　 C. Before　　　　 D. Unless

21. –The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

　 --Oh, dear! She ____ a lot of difficulties!

A. may go through　　 　B. might go through　 C. ought to have gone through 　D. must have gone through

20. He was educated at a local grammar school, ___ he went on to Cambridge.

A. from which　 B. after that　　　 C. after which　　　 D. from this