16.No sooner had they got the goods covered up (　　)it started raining hard.

　　A. when

　　B. than

　　C.then

　　D. after

　　【參考答案】B。固定搭配。no sooner…than…一…就…;hardly…when…一…就…;scarcely…when…一…就…。

　　17.How long do you think (　　)to finish this urgent task?

　　A.did it take you

　　B.it will take you

　　C.will it take you

　　D.it to take you

　　【參考答案】B。本題考查動(dòng)詞不定式作主語和it作形式主語的情況。不定式作主語時(shí)，一般要用形式主語it。本句的結(jié)構(gòu)是It will take sb.(time)to do sth.做某事要花費(fèi)某人多少時(shí)間。

　　18. (　　)was not the way the event happened.

　　A.Which the press reported

　　B.That the press reported

　　C.What did the press report

　　D.What the press reported

　　【參考答案】D。本題考查主語從句。因?yàn)樵谥髡Z從句中應(yīng)用陳述語序，所以排除C。that只起連接作用，在從句中不擔(dān)任任何成分，本身也沒有意義。which之后必須指明它所修飾或指代的事物。what表示“(關(guān)于)…的內(nèi)容”。

　　19.Air, or (　　)is called atmosphere, surrounds the whole earth.

　　A.it

　　B.that

　　C.which

　　D.what

　　【參考答案】D。本題考查同位語從句和主語從句。

　　20.Don't you think it is time you (　　)smoking?

　　A.give up

　　B.gave up

　　C.would give up

　　D.should give up

　　【參考答案】B。本題考查虛擬語氣的用法。It’s(high)time that+過去時(shí)，是固定結(jié)構(gòu)。

　　21. "Michael left for California this morning. " "Oh, I thought he _______until next week. "

　　A. hadn't been going

　　B. isn't going

　　C. won't be going

　　D. wasn't going

　　【參考答案】D

　　22. "Not until science became prominent _______ be abolished", some people argue.

　　A. did slavery come to

　　B. slavery to

　　C. had slavery come to

　　D. that slavery came to

　　【參考答案】A

　　23. "To say is one thing, and to do is another. " _______ the old saying goes.

　　A. like

　　B. as

　　C. for

　　D. with

　　【參考答案】B

　　24. " We're late. The play has started." "I wonder how long ago _________."

　　A. did it begin

　　B. it began

　　C. was it beginning

　　D. it has begun

　　【參考答案】B

　　25. "Where can I find Jim?" "He is _______ his work. He won't leave the lab until 6:00 p. m. "

　　A. on

　　B. over

　　C. at

　　D. under

　　【參考答案】C

　　26. A _______ of the long report by the budget committee was submitted to the mayor for approval.

　　A. shorthand

　　B. scheme

　　C. schedule

　　D. sketch

　　【參考答案】D

　　27. A completely new situation will _______ when the examination system comes into existence.

　　A. rise

　　B. arise

　　C. raise

　　D. arouse

　　【參考答案】B

　　28. A Dream of the Red Chamber is said _______ into dozens of languages in the last decade.

　　A. to have been translated

　　B. to translate

　　C. to be translated

　　D. to have translated

　　【參考答案】A

　　29. It's urgent that a meeting _____ before the final decision is made.

　　A. will be arranged

　　B. must be arranged

　　C. be arranged

　　D. would be arranged

　　【參考答案】A

　　30. No one doubts _____ it is true.

　　A. whether

　　B. if

　　C. that

　　D. what

　　【參考答案】C