21. I am considering ___my job as I’m not getting on well with my boss.

　　A. changing B. to change C. changed D. to be changed

　　【答案】A consider后面接動名詞做賓語，表“考慮做某事”;consider sb./sth. to do表“認為”。因此A為正確答案。本句的意思是：“我正在考慮換工作，因為我和老板關(guān)系不太好�！比纾篧e are considering learning a foreign language.我們正在考慮學一門外語。

　　22. Charles Babbage is generally considered ______ the first computers.

　　A. to invent B. inventing C. to have invented D. having invented

　　【答案】C此題考查的是非謂語動詞中不定式的用法。Be considered/said/ believed to do 表示：據(jù)認為/據(jù)說/據(jù)相信做……，而后面的動作若已經(jīng)發(fā)生，則用完成時表示，故選to have invented.

　　23. Mary regretted ___ to John’s birthday party last Sunday.

　　A. not going B. not to go C. not having been going D. not to be going

　　【答案】A。regret后面要跟動名詞做賓語，動名詞的否定式是在動名詞之前直接加not。

　　24. I regret _______ you that we are unable to offer you a job.

　　A. in forming B. having informed C. to inform D. to informing

　　【答案】C。regret to do sth.遺憾做某事。我很遺憾的告訴你我們不能給你這份工作。

　　25. In some parts of London, missing a bus means _______ for another hour.

　　A. waiting B. to wait C. wait D. to be waiting

　　【答案】A。means doing意味著。在倫敦的某些地方，錯過汽車意味著再等一個小時。

　　26. I meant _________ you, but I was so busy.

　　A. to call on B. calling on C. to call at D. calling at

　　【答案】A。mean to do打算做某事。我打算給你打電話的，但是我很忙。

　　27. He remembered ____ to the zoo by his father when he was little.

　　A. being taken B. taking C. have been taken D. to have taken

　　【答案】A 句意為“他記得小時候被爸爸帶到動物園去.”由于他是被帶者，因此應當用被動式，選A.關(guān)于remember的搭配有remember doing sth, 指“記得做某事”，并且已經(jīng)做了，或者remember to do sth, 指記得要去做某事，而這件事情尚未完成。

　　28. As she is looking forward to ________ from me, please remember ________ this letter on your way to school.

　　A. hear, post B. hearing, to post

　　C. be heard, posting D. be hearing, to posting

　　【答案】B 因為她正盼望著收到我的來信，記得上學路上把信寄出去。Look forward to doing sth.盼望做某事。Remember to　do　sth.記得做某事。

　　29. In a few weeks' time we ________ them ________ the forest.

　　A. stop, destroying B. stopped, to destroy

　　C. will stop, to destroy D. will stop, destroying

　　【答案】D　幾個星期后，我將阻止他們破會森林。stop　doing阻止某人做某事。

　　30. The bus didn't stop _________ up the passengers, because it was full.

　　A. to pick B. pick C. picking D. picked

　　【答案】A　stop　to　do停下來去做某事。汽車沒有停下來讓乘客上課，因為車滿了。

　　31. The old man is used to ___ early in the morning.

　　A. exercise B. exercising C. exercised D. exercises

　　【答案】B。be used to doing sth.：現(xiàn)在習慣于做…。句中的to是介詞，因此后面接動名詞。區(qū)別于used to do(過去習慣于)。

　　32. You don’t object ____ you by your first name, do you?

　　A. for me to call B. me to call C. my calling D. me calling

　　【答案】C object做動詞表示“反對”的意義時后面應該接動名詞(復合結(jié)構(gòu))，故排除A,B. 而object與動名詞之間有代詞時,應該用名詞所有格或物主代詞，其中名詞所有格或物主代詞是動名詞的邏輯主語。而D項me 是賓格,故排除D. 正確答案選C. 句意是“你不反對我叫你的名字,是不是?”

　　33. Mr. Reed made up his mind to devote all he had to _______ some schools for poor children.

　　A. set up B. setting up C. have set up D. having set up

　　【答案】B。瑞得先生決心把所有財產(chǎn)投入為貧窮孩子修建學校的事業(yè)當中。devote　to　doing投入于。

　　34. —How do you deal with the disagreement between the company and the customers?

　　—The key _______ the problem is to meet the demand _______ by the customers.

　　A. to solving, making B. to solving, made

　　C. to solve, making D. to solve, made

　　【答案】B。你如何處理公司和客戶之間的分歧。解決問題的關(guān)鍵是滿足客戶的要求。the　key　to　doing做某事的關(guān)鍵。Demand和make之間是被動關(guān)系。所以選擇B。

　　35.We are looking forward to___the film____at the Grand Cinema.

　　A. seeing;to show B. see;shown C. seeing;shown D. see;to show

　　【答案】C。Look forward to doing sth.盼望做某事。我們非常盼望看在大影院上映的電影。