15 Will you lend him a magazine ____________? A. to be readB. for readingC. to readD. he read 正确答案：C
解析：本句需要动词不定式来做名词magazine的定语，而且read的动作执行者已经出现，是him，所以不需要用被动式，所以应选C。整句话的意思是：你能借本书给他读吗？
16 He could do nothing but____________for the bus____________. A. wait ... to comeB. wait ... comeC. waiting ... comingD. waited ... came 正确答案：A
解析：本句中第一个空白处需要动词不定式来做介词but的宾语，因为but之前出现了行为动词do，所以动词不定式的符号to可省去；而第二个空白处需要动词不定式来做bus的定语，to不能省去，所以应选A。整句话的意思是：他什么事情也做不了，只能等公共汽车来。
17 It is a problem that doesn't need____________right now. A. to solveB. solvingC. being solvedD. to be solving 正确答案：B
解析：本句中动词need后面的搭配是need doing sth.或need to be done，所以应选B。整句话的意思是：这是一个不需要马上解决的问题。
18 There's a man at the reception desk who seems very angry and I think he means____________trouble.
A. makingB. to makeC. to have madeD. having made 正确答案：B
解析：本句中动词mean后面的搭配有两种：mean to do sth.和mean doing sth.，分别表示不同的含义：mean to do表示“打算要做什么”，mean doing表示“意思是??，意味着??”，所以根据句意应选B。整句话的意思是：在接待处有个人看上去似乎很生气，我觉得他要找麻烦。
19 I remember____________him____________the bike needed____________.
A. hearing ... saying ... to repairB. to hear ... say ... to repairC. hearing ... say ... repairingD. to hear ... saying ... to be repaired 正确答案：C
解析：本句中第一个空白处前面的动词remember的搭配有两种：remember to do sth.（记得要去做什么）和remember doing sth.（记得已经做了什么），根据句意，应该用hearing，表示“记得已经听说”；第二个空白处是hear sb. do sth.句型，而且此时动词不定式的符号to要省去；最后一个空白处可参照第17题的解析。所以，正确答案应该是C。整句话的意思是：我记得听他说过那辆自行车需要修理。
20 — You should have thanked her before you left.
— I meant____________, but when I was leaving I couldn't find her anywhere. A. to doB. to C. doingD. doing so 正确答案：B
解析：本句中练习的还是mean后面的搭配，可参照第18题的解析。另外，为了避免重复，可以用to来代替前面的to thank her，所以应选B。整句话的意思是：——你原本应该在离开之前向她表示感谢。——我是打算这么做的，可是当我要走的时候，我却找不到她了。
21 Robert is said to____________abroad, but I don't know what country he studied in. A. to have studiedB. to studyC. to be studyingD. to have been studying 正确答案：A
解析：本句需要动词不定式的完成式来做谓语动词is said的宾语，所以应选A。整句话的意思是：听说罗伯特已经出国留学了，不过我不知道他是在哪个国家学习。
22 I’m going to Xi'an next week. Have you anything ____________to your parents? A. to takeB. to be takenC. to be bought toD. to buy 正确答案：B
解析：本句需要动词不定式来做anything的定语；根据句意，take的动作执行者是I，而不是you，所以应该用不定式的被动式，即应选B。整句话的意思是：我下周要去西安，你有东西要捎给你的父母吗？
23 When are they ____________ in their plan? A. handB. handed C. to handD. give 正确答案：C
解析：本句练习的是be to do sth.，表示“将要或打算做什么”，所以应选C。整句话的意思是：他们打算什么时候提交他们的计划？
24 In such dry weather, the flowers will have to be watered if they____________. A. have survivedB. are to surviveC. would survivedD. will survive 正确答案：B
解析：本句练习的还是be to do sth.，表示“将要做什么”，所以应选B。整句话的意思是：在如此干燥的天气里，想让花存活，就必须要多浇水。
25 When we hurried to the station, there happened____________no bus at that time. A. to have B. to be C. having D. being 正确答案：B
解析：本句需要动词不定式来做谓语动词happen的宾语，表示“碰巧??”，所以应选B。整句话的意思是：当我们赶到车站的时候，碰巧当时没有公共汽车了。
26 I lost my way in complete darkness and, ____________matters worse, it began to rain. A. made
B. having made C. making D. to make 正确答案：D
解析：本句需要动词不定式来做独立成分，所以应选D。整句话的意思是：我在漆黑一片中迷了路，更糟糕的是，天开始下雨了。
27 At____________time does the salesgirl get up late in the morning, though she is always too busy ____________a good rest. A. no ... to take B. no ... taking C. any ... to take D. one ... taking 正确答案：A
解析：本句中第一个空白处练习的是短语at no times（决不，从不），后面的句子要求用部分倒装的形式；第二个空白处练习的是too ? to do sth.句型，表示“太??而不能做??”，所以应选A。整句话的意思是：尽管这个女售货员总是太忙而不能好好休息，但她早上从来不迟到。
28 — Are you a student?
— No, but I used ____________. A. to be B. to was C. to do D. to be a 正确答案：A
解析：本句练习的是短语used to do sth.，表示“过去曾经做了什么”。另外，在省略的不定式结构中含有be动词是要保留的，所以应选A。整句话的意思是：——你是学生吗？——不是，不过我曾经是。
29 I stopped to listen, and my son seemed____________ himself____________in the living room.
A. to enjoy ... to shut
B. to be enjoying ... shutting C. to be enjoying ... shut
D. to have enjoyed ... having shut 正确答案：C
解析：本句中第一个空白处练习的是seem to do sth.（似乎），并根据前一句话的意思，应该用动词不定式的进行时态，表示“正在??”。第二个空白处练习的是enjoy oneself do sth.(自得其乐)，此处动词不定式的符号to省去。所以，正确答案应该是C。整句话的意思是：我停下来听了听，儿子似乎很喜欢一个人关在客厅自得其乐。
30 With a lot of difficult problems ____________, the newly-elected president is having a hard time. A. settled B. settling C. to settle
D. being settled 正确答案：C
解析：本句需要动词不定式来做后置定语，修饰problems, 所以应选C。整句话的意思是：有这么多难题要解决，新当选的总统日子并不好过。
31 We're leaving at six o'clock, and hope ____________most of the journey by lunch time A. to do
B. to have done C. to make
D. to have made 正确答案：B
解析：本句需要动词不定式来做谓语动词hope的宾语，根据短语by lunch time判断要用完成时态，而make the journey表示“成行”，与句意不符，所以应该用do，即应选B。整句话的意思是：我们6点钟就要离开，希望可以在午饭之前走完大部分的路程。
32 The study of the wild world may help to make the world easier____________. A. understood
B. to be understood C. to understand D. understand 正确答案：C
解析：本句需要动词不定式和easier一起构成宾语补足语，这里可以用主动表示被动，不需要用被动式，所以应选C。整句话的意思是：对野外世界的研究可以有助于更轻松地了解世界。
33 Who will you get____________the project for us? A. design B. to design
C. designed D. designing 正确答案：B
解析：本句需要动词不定式来做谓语动词get的宾语，所以应选B。整句话的意思是：你请了谁来为我们设计这个项目？
34 It is said in Australia there is more land than the government know____________. A. it what to do with B. what to do it with C. what to do with it D. to do what with it 正确答案：C
解析：本句需要动词不定式和what一起来做know的宾语。另外，短语do with（处理）的宾语应该是紧跟其后，而不是放在中间，所以应选C。整句话的意思是：据说，在澳大利亚，土地的数量超出了政府所知所能处理的范围。
35 We are not allowed____________outdoors with some other children. A. playing
B. to be playing C. to play
D. be playingd 正确答案：C
解析：本句练习的是allow sb. to do sth.，所以应选C。整句话的意思是：（父母）不允许我们在室外和别的孩子玩。
36 Allen had to call a taxi because the box was____________ to carry all the way home. A. much too heavy B. too much heavy C. heavy too much D. too heavy much 正确答案：A
解析：本句练习的还是too ? to do sth.句型，表示“太??而不能做??”；而且，当有修饰语来修饰它的时候应该放在too之前，所以应选A。整句话的意思是：艾伦不得不叫了一辆出租车，因为那个盒子太重了，他自己根本搬不回家。
37 She feels strongly that each of us should have a role____________in making the earth a better place to live in. A. to have playe B. to play
C. to be played