[21] The visiting professor _____ giving lectures to students ______ invited to meetings at times.

　　A. preferred; to being　　　 B. preferred to; rather than

　　C. preferred; than being 　 D. preferred; to being

　　[答案] A。 考查句型：prefer doing sth to doing sth. 宁愿…..而不….。

　　[22] I don’t think Mary and Sue _____ before, ______?

　　A. have met; haven’t they 　 B. have met; have they

　　C. have seen; do I 　 D. have seen; don’t they

　　[答案] B。 主句是第一人称，而且谓语动词是think, find, believe,make等，反意疑问句要和宾语从句一致;而且还得注意否定的转移问题。

　　[23] ----- We haven’t heard from Jane for a long time. ----- What do you suppose ______ to her?

　　A. was happening 　 B. to happen

　　C. has happened 　 D. having happened

　　[答案] C。 do you suppose 为插入语，本句应该与上句一样用完成时态。

　　[24] What _____ their child fond of?

　　A. do 　 B. does

　　C. are 　 D. is

　　[答案] D。 be fond of 喜欢….

　　[25] ----- What happened in that new area? ----- New houses ______ recently over there.

　　A. are built 　 B. build

　　C. have built　　　 D. have been built

　　[答案] D。 考查时态。现在完成时态一般和yet, already, by this time, so far, recently, since, for a long time等副词连用。

　　[26] _____ the moonlight they cooked the meat _____ an open fire.

　　A. To; over 　 B. From; in

　　C. In; near 　 D. By; near

　　[答案] A。 by the moonlight 借着月光;on an open fire在野外的篝火上。

　　[27] ----- _______ in the workshop. Please stop it. ----- Sorry. I________.

　　A. Smoking is not allowed, don’t know 　 B. Not smoking, an not sure

　　C. Don’t smoke, have no idea 　 D. Smoking is forbidden, didn’t know

　　[答案] D。 "不知道"　是在对方告诉之前，故需过去时。

　　[28] You will be late ______ you leave immediately.

　　A. unless 　 B. until

　　C. if 　 D. or

　　[答案] A。 unless 除非;until 到…为止。

　　[29] We’ve a lot of things to do. But _____ we must get some sleep.

　　A. at first 　 B. at once

　　C. first of all 　 D. the first thing

　　[答案] C。 first of all= first 首先; at first= in the beginning最初。

　　[30] ----- What made you so upset? -----_____ my house _____ saying goodbye.

　　A. Jim left; without 　 B. Jim’s leaving; instead of

　　C. That Jim left; without 　 D. Jim leaving; instead of

　　[答案] C。 该句的回答是一个省略句，还原就是：That Jim left my house without saying goodbye made me upset.句子后面的相同部分省略了。

　　[31] The boy wanted to ride his bike in the street, but his mother told him _____.

　　A. not to 　 B. not to do

　　C. not do it 　 D. do not to

　　[答案] A。 省略结构，不定式做宾补时，可以带不定式省略后面的相同部分。

　　[32] Miss Yang will teach us Chinese today ____ Mr Zhang.

　　A. instead 　 B. instead of

　　C. to 　 D. of

　　[答案] B。 instead 是副词;instead of是介词短语，才能跟宾语。

　　[33] None of the students watched the teacher______.

　　A. careful enough 　 B. enough carefully

　　C. carefully enough 　 D. enough careful

　　[答案] C。 enough作为副词，在修饰副词，形容词时要后置。

　　[34] He _____ tasted the mixture and give a smile.

　　A. glad 　 B. gladly

　　C. was glad 　 D. was glad to be

　　[答案] B。 副词才能修饰动词。

　　[35] The boy was not allowed ______ his brother’s bike.

　　A. to use 　 B. using

　　C. use 　 D. used

　　[答案] A。 考查动词的用法be allowed to do sth.被容许做什么。