您正在看的中考英语是:英语语法易错题、难题、好题档案。

　　1. By the time you arrive in London, we _____ in Europe for two weeks.

　　A. shall stay B. have stayed C. will have stayed D. have been staying

　　这里是将来完成时,表示对将来事情的假设。等你到伦敦的时候，我们已经在欧洲呆了两星期了 下面是将来完成时的用法： 将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作。经常与before+将来时间或+将来时间连用，也可与before或by the time引导的现在时的从句连用。 1) 构成will / be going to do sth. 2) 概念 a. 状态完成：表示某事继续到将来某一时为止一直有的状态。 b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。 They will have been married for 20 years by then. You will have reached Shanghai by this time tomorrow. 将来完成时的构成将来完成时的构成是由"shall/will + have +过去分词"构成的。 Before long he will have forgotten all about the matter. 不久他就会全然忘记这件事的。 He is somebody now. He will not have remembered his old classmates. 他现在是一个有身份的人了，他可能不会记得老同学了。 Will you have known Kevin for 10 years next month? 到下个月你认识凯文该有10年了吧?将来完成时的用法 ①表示在将来某一时间之前已完成的动作，并往往对将来某一时间产生影响。 We shall have learned 12 units by the end of this term. 到这个学期末，我们将学完12个单元。 By the time you get home I will have cleaned the house from top to bottom. 你到家之前我将把房子彻底打扫一遍。 ②表示推测，相当于"must have done"结构。 You will have heard of this, I guess. 我想你已经听说过这件事了。 I am sure he will have got the information. 我相信他一定得到了这个信息。

　　2. I appreciated ____ the opportunity to study abroad two years ago.

　　A. having been given B. having given C. to have been given D. to have given

　　3. Living in the central Australian desert has its problems, _____ obtaining water is not the least.

　　A. of which B. for what C. as D. whose

　　4. The heart is ____ intelligent than the stomach, for they are both controlled by the brain.

　　A. not so B. not much C. much more d. no more

　　5. _____ the fact that his initial(开始的)eXPeriments had failed, Pro. White persisted (坚持) in his research.

　　A. Because of B. As to C. In spite of D. In views of

　　6. The millions of calculations(计算) involved, had they been don't by hand, _____ all practical value by the time they were finished.

　　A. could lose B. would have lost C. might lose D. ought to have lost

　　假如手工解决成千上万(虚指，表示大量)的计算，(即使)完成了，也是毫无实际价值(没有意义)。

　　这是一个省略倒装句，而且是虚拟。“had they been”应该是“if they had been",因为虚拟，所以必须用倒装，所以if也在这里被省略，使句子简洁。补：其中"had they been"中的"they"应该是The millions of calculations 的同位语

　　7. No bread eaten by man is so sweet as _____ earned by his own labour.

　　A. one B. that C. such D. what

　　8. It isn't cold enough for there _____ a frost tonight, so I can leave Jim's car out quite safely.

　　A. would be B. being C. was D. to be

　　9. Tom assured (向……保证) his boss that he would _____ all his energies in doing this new job.

　　A. call forth B. call at C. call on D. call off

　　10. More than two hundred years ago the United States _____ from the British Empire and became an independent country.

　　A. got off B. pulled down C. broke away D. dropped off

　　11. As your instructor(教师) advised, you ought to spend your time on something ____ researching into.

　　A. precious B. worth C. worthy D. valuable

　　12. Without the friction (摩擦力) between feet and the ground, people would ____ be able to walk. A. in no time B. by all means C. in no way D. on any account

　　13. We are taught that a business letter should be written in a formal style _____ in a personal one.

　　A. rather than B. other than C. better than D. less than

　　14. ______ is generally accepted, economical growth is determined by the smooth development of production.

　　A. What B. That C. It D. As

　　15. John complained to the bookseller that there were several pages ____ in the dictionary.

　　A. missing B. losing C. dropping D. leaking

　　16. Do you enjoy listening to records? I find records are often ____ or better than an actual performance.

　　A. as good as B. as good C. good D. good as

　　17. The article opens and closes with descriptions of two news reports, each _____ one major point in contrast with (和……相比) the other.

　　A. makes B. made C. is to make D. making

　　18. The number of registered participants in this year's marathon was half _____.

　　A. of last year's B. those of last year's C. of those of last year. D. that of last year's

　　19. I was speaking to Ann on the phone when suddenly we were _____.

　　A. hung up B. hung back C. cut down D. cut off

　　20. She wondered if she could have the opportunity to spend ____ h