23.　 Only when _______ in 1941, _______ to get back to his research again.

A. was the war over; was he able　　　 B. the war was over; did he able

C. was the over; he was able　　　　　 D. the war was over; was he able

22.　 Not until you told me what had happened, ________.

　　　 A. didn’t I know anything about it　　 B. I knew nothing about it

　　　 C. did I know anything about it　　　 D. had not I known anything about it

21.　 As is often the _______, the housewife gives the house a thorough cleaning ________.

　　 A. matter; every two days　 B. situation; each second day C. same; each two days D. case; every second day　

20.　 Just a few months before the examination the lazy bone studied day and night _______ that he should fail.

　　 A. in case　　 B. so long as　　 C. for fear　　 D. on condition

19.　 The only son of the family was put in a _______ as to whether to stay with his parents or _______ with his sweetheart.

　　 A. dilemma; run away　 B. position; get away　 C. situation; put up　　 D. difficulty; break away

18.　 If you want to be engaged in the security section of our department, you will have to ______ your freedom limited to some degree. If you agree to the terms, you can ______ your application form to the personnel office.

　　 A. submit to have; send　 B. bear to make; carry　 C. tolerate to have; take　 D. submit to having; submit

17.　 Hardly had we got the project completed before the deadline when I _______ that a group of experts would come to _______ it. But to my disappointment, the so-called experts seemed to be totally amateurs to me.

　　 A. was informed of; assess　 B. was informed; inspect　 C. was told; value　 D. became informed; see

16.　 The fifth edition of Noah Webster's American Dictionary of the English Language _______six months ______ the time previously set.

　　 A. published; a head of　 B. was published; advanced　 C. came out; in front of　 D. came out; ahead of

15.　 The quality of a processed food largely ______ the raw material and the way it _______.

　　 A. relies on; processes B. depends on; processes　 C. depends on; is processed D. decides on; is processed

14.　 The work of professional sectaries is so ______ that few people like to apply for it; it demands of not only high working efficiency bust also ______ available all the time. As a result, they are ______ great demand.

　　 A. demanding; being; in　 B. demanded; being; in　 C. demanding; be; in　 D. tiring; being; of