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態(tài).故選D。D.would rainB.had rained【點(diǎn)評(píng)】考查非謂語(yǔ)動(dòng)詞和時(shí)態(tài),本題涉及不定式作目的狀語(yǔ)和現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。本題第一空中使用不定式做目的狀語(yǔ),第二句時(shí)間狀語(yǔ)since an early age通常和現(xiàn)在完成時(shí)連用,表示從過(guò)去就開(kāi)始的動(dòng)作,本句使用現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)動(dòng)作的延續(xù)性,表示她一直都在努力訓(xùn)練。D.To realize, was trainedB.18.______ her ambition of being a professional singer, she _____ very hard since an early age. A.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。has been hunting for【答案】D 【解析】【分析】句意:——Lucy這些天似乎不在。C.is to hunt for17.—Lucy seems absent these days.—She _____ a job from city to city—you see, she is graduating in June. A.結(jié)合句意可知英語(yǔ)的變化從過(guò)去開(kāi)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。D.have been changingB.had changed【點(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。——是的,志愿者們正在幫助分發(fā)捐贈(zèng)的物品。D.have been pouring inC.were pouring in”故選A?!豢赡苁撬R环矫?,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”。mustn’t。 beenC.can’t。 gone14.—Look, Jim is talking to his friend under the tree.—It _______ be him. He has _______ back to Canada.A.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(xiě)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。C.was writingan environmental report over the last few days, which should be submitted to the boss tomorrow. A.13.—You look pretty tired today!—I 故選D。哈撒韋公司的股票一直增長(zhǎng)迅速。has been rising【答案】D 【解析】【分析】考查動(dòng)詞時(shí)態(tài)。C.has been raising very rapidly. A.s wealth,【點(diǎn)評(píng)】本題的關(guān)鍵是牢記短語(yǔ)over/in the last/past+段時(shí)間“在近幾年里”,常用于現(xiàn)在完成進(jìn)行時(shí)或現(xiàn)在完成時(shí)。had been working【答案】 C 【解析】【分析】考查時(shí)態(tài),題干中出現(xiàn)的over the last three months,用于現(xiàn)在完成進(jìn)行時(shí)或現(xiàn)在完成時(shí)。has been workingworkedworks11.Tom 我整個(gè)下午一直在購(gòu)物而且好像什么事也沒(méi)做成。D.had shoppedB.shopped all afternoon and I don39。10.I39。故選B。句意:從6月開(kāi)始,瑪麗每天晚上去上寫(xiě)作課,這個(gè)課程將于這周末結(jié)束。D.C.B.【點(diǎn)評(píng)】考查時(shí)態(tài)9.Mary_______ to writing classes every night since June and the course will end this week. A.現(xiàn)在完成進(jìn)行時(shí)通常表示過(guò)去發(fā)生的事情延續(xù)到現(xiàn)在,而且還在繼續(xù)發(fā)生,強(qiáng)調(diào)事情的延續(xù)性和反復(fù)性。had done【答案】 B 【解析】【分析】考查時(shí)態(tài)。C.have been doing8.I ____