1、211. I went to see William, _ that he had left two days before.A. only to learn B. only learning C. to learn D. learnedkey: A only to do sth. 结果状语212. Scientists say it may be five or ten years _ it is possible to test this medicine on human patients.A. since B. after C. before D. whenkey: C213. Ill
2、 never forget _ you for the first time.A. to meet B. meeting C. to have met D. having to be meetingkey: B214. I was halfway back to the hospital where the doctor was working _Susan caught up with me.A. when B. while C. until D. thoughkey: A 就在那个时候(我在半路上),Susan 赶上了我215. _ is worth doing at all is wor
3、th doing well.A. That B. Which C. Whatever D. Thosekey: C anything that 216. My new glasses cost me _ the last pair I bought.A. three times more than that B. three times as much as C. as much three times as D. as three times as muchkey: B217. Last term our maths teacher set so difficult an examinati
4、on problem _ none of us could work out.A. as B. that C. for D. andkey: B so.that218.Someone must have left the tap on, _ the water was running over and flooding the bathroom.A. for B. therefore C. moreover D. howeverkey: A used to introduce the reason for something: I cannot tell whether she is old
5、or young, for I have never seen her.219. You may have some trouble in writing the article, _, dont hesitate to ask me for help.A. if not B. if so C. if that D. if anykey: D if you have any trouble,.220. _ deserves the award will certainly get it.A. Who we think B. Whoever we think C .Who do you thin
6、k D. Whoever do we thinkkey: B anyone who (we think) deserves.221. Tom was about to go to bed _ the telephone rang.A. since B. before C. until D. whenkey: D had (not) done/ were doing/ were about to do.when222. -Bob, did you have a good time at Janes party last night? -Yes, but I really _ because we
7、 had an English exam this morning.A. mustnt B. couldnt C. neednt D. shouldntkey: D223. _, the amount left in the bank is hardly worth mentioning.A. Having paid my taxes B. Paying my taxes C. My taxes having been paid D. My taxes had been paidkey: C 现在分词独立主格结构：分词的逻辑主语与句中的主语不一致，即分词拥有自己的逻辑主语，所构成的结构称为独立
8、主格结构 224. Because of the shortage of coal in England, attempts _ to use natural gas as source of power.A. have made B. having made C. are being made D. will be makingkey: C 关键是被动形式225. Linn bought two _ of _ from the supermarket last Saturday.A. kilogram.chicken B. kilogram.chickens C. kilograms.chi
9、cken D. kilograms.chickenskey: A226. _ of the passengers on the tour bus were from Japan and _of them had ever seen the Great Wall.A. All.neither B. All.none C. Every one.none D. Some.no onekey: B 使用排除法227. If you smell gas in your house, you have to act immediately. You _ not delay.A. could B. migh
10、t C. must D. willkey: C must not 表示一定不要 英文解释: used in negative sentences to say that something should not happen, because of a rule or law or because of the situation 228. Peter _ the house two years ago and now it _ to Mr. Turner.A. has sold.belongs B. has sold.is belonging C. had sold.is belonging
11、 D. sold.belongskey: D 关键词two years ago229. Ted has to take a bus to his office these days because his car _A. is repairing B. is repaired C. has repaired D. is being repairedkey: D230. I once heard him _ that a rainbow (彩虹) was a bridge from earth to heaven.A. said B. say C. to say D. was sayingkey
12、: B231. Wed better get up earlier than usual if we want to catch the train, _?A. didnt we B. hadnt we C. wouldnt we D. dont wekey: B232. After sitting on a bench, _.A. and I found the wet paint all over my trousersB. my trousers were found with the wet paint all over C. the wet paint was found all o
13、ver my trousersD. I found the wet paint all over my trouserskey: D 233. _ sharks (鲨鱼) stay in one area in the ocean _ not known.A. If.is B. If.are C. Whether.is D. Whether.arekey: C if是否,不能用来引导主语从句234. We have decided to open a restaurant at the club _ we can serve health food.A. as though B. so tha
14、t C. even if D. except thatkey: B 目的状语从句235. He repaired riverbanks and roads everywhere, _ his money _at the University of Cologne.A. saving.to study B. saving.study C. to save.studying D. save.to studykey: A 236. The beaver(水獭) chews down trees to get food and material _its home.A. builds B. it ca
15、n build C. that it build D. with which to buildkey: D237. He laughs best who laughs last, _ the saying goes.A. when B. as C. where D. afterkey: B 238. The Titanic, the biggest ship of its day, _ unsinkable, but it sank on its first voyage in 1912.A. thought B. was thought C. thought it D. was though
16、t itkey: B but连接两个句子239. Since she is angry, we _ leave her alone.A. had better to B. would rather C. ought to D. might as wellkey: D might/ may as well do sth. 还是为好240. _ in all parts of the state, pines are the most common trees in Gorgia.A. They are found B. Finding C. Found D. To find themkey: C
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