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能夠”。故應(yīng)用needn’t have done表示本不必做而實(shí)際上做了。should have done表示本應(yīng)該做而實(shí)際上未做?! ?is beyond my understanding that many adults ________ be so crazy about Harry Potter series. 答案 D 解析 考查情態(tài)動(dòng)詞。波特系列這么上癮,對(duì)此我不能理解。其他選項(xiàng)都沒有這個(gè)含義。根據(jù)第一句中的時(shí)態(tài)可知此處是對(duì)過去情況的虛擬,意思是“如果他愿意去,我們會(huì)支付他所有的費(fèi)用”?! ?days some young people just ________ work hard because they have got used to the easy life provided by their parents. ’t ’t ’t ’t 答案 B 解析 句意為:現(xiàn)在一些年輕人就是不愿意努力,因?yàn)樗麄円呀?jīng)習(xí)慣了父母提供的安逸生活。mustn’t禁止,不準(zhǔn)。shouldn’t不應(yīng)該。句意為:——很遺憾我在期末考試中沒有考第一。can(表示有能力做或能夠發(fā)生)能,會(huì)。must必須?! ?0.—May I take this book out of the reading room? —No,you read it in here. ’t ’t ’t ’t 答案 D 解析 考查情態(tài)動(dòng)詞。 ,Cathy,I didn’t know that you were badly short of money you ________ me for help. have asked have asked have asked have asked 答案 B 解析 考查情態(tài)動(dòng)詞。could have done表示過去本來可以做某事,可實(shí)際上并沒有做。must have done表示過去肯定做了某事。________ you bother me with so many questions now? 答案 B 解析 考查情態(tài)動(dòng)詞?! ?4.—Did you go to the fashion show last week? —I ________,but I was fully occupied the whole week.