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.—You look pretty tired today!—I an environmental report over the last few days, which should be submitted to the boss tomorrow. A.wroteB.was writingC.had writtenD.have been writing【答案】D 【解析】【分析】句意:—你今天看起來(lái)很累!—在過(guò)去的幾天里我一直在寫一個(gè)環(huán)境報(bào)告,這個(gè)報(bào)告明天應(yīng)要提交給老板。表示從幾天前開始一直進(jìn)行持續(xù)到現(xiàn)在的動(dòng)作,用現(xiàn)在完成進(jìn)行時(shí),故選D.【點(diǎn)評(píng)】考查動(dòng)詞時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。14.—Look, Jim is talking to his friend under the tree.—It _______ be him. He has _______ back to Canada.A.can’t。 goneB.can’t。 beenC.may not。 beenD.mustn’t。 gone【答案】 A 【解析】【分析】考查情態(tài)動(dòng)詞表推測(cè)及現(xiàn)在完成時(shí)的用法。一方面,表示推測(cè)語(yǔ)氣時(shí),can’t意為“不可能”; may not意為“可能不是”;must不用于否定句;另一方面,“have/has gone to+地點(diǎn)”意為“去了某地”,表示不在說(shuō)話人這兒;“have/has been to +地點(diǎn)”表示“去過(guò)某地”。句意為“——看,吉姆和他朋友在樹下談話。——不可能是他。他已經(jīng)回加拿大了?!惫蔬xA。15.—To our relief, rescue work is under way in the quakehit area in Mexico.—Yes, volunteers are helping to distribute the donated provisions that _______.A.were pouring inB.have been pouring inC.are poured inD.had been poured in【答案】B 【解析】【分析】句意:——令我們欣慰的是,救援工作正在墨西哥地震災(zāi)區(qū)展開?!堑?,志愿者們正在幫助分發(fā)捐贈(zèng)的物品。表示過(guò)去的事情一直延續(xù)到現(xiàn)在而且還在進(jìn)行,因此用現(xiàn)在完成進(jìn)行時(shí),故選B?!军c(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。16.But actually, these Englishers ______ gradually in accents, spellings, expressions and the usage of vocabulary and we have to adapt to that. A.had changedB.changedC.have been changingD.is changing【答案】 C 【解析】【分析】句意:但事實(shí)上,這些說(shuō)英語(yǔ)的人在口音,拼寫和單詞的使用上一直在改變,因此我們必須適應(yīng)這件事。結(jié)合句意可知英語(yǔ)的變化從過(guò)去開始,持續(xù)到現(xiàn)在,并且會(huì)持續(xù)到將來(lái),故用現(xiàn)在完成進(jìn)行時(shí),即have/has been doing,又主語(yǔ)these Englishers 是復(fù)數(shù),故用have been changing,選C。 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。17.—Lucy seems absent these days.—She _____ a job from city to city—you see, she is graduating in June. A.hunts forB.is to hunt forC.has hunted forD.has been hunting for【答案】D 【解析】【分析】句意:——Lucy這些天似乎不在?!獜囊粋€(gè)城市到另一個(gè)城市她一直在尋找一份工作,你知道,她將在六月畢業(yè)。根據(jù)you see, she is graduating in June.可以判斷她快要畢業(yè),所以最近一直在找工作,用現(xiàn)在完成進(jìn)行時(shí),故選D?!军c(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。18.______ her ambition of being a professional singer, she _____ very hard since an early age. A.To realize, has been trainingB.Realizing, trainedC.To realize, was trained1