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A.have shoppedC.have been shopping【答案】 D 【解析】【分析】句意:我很累。用現(xiàn)在完成進(jìn)行時(shí)表一直發(fā)生的動(dòng)作。strugglesstruggledhas been strugglinghad been struggling【答案】C 【解析】【分析】句意:在過去的三個(gè)月里他每天晚上都在努力學(xué)英語語法。【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。washedhave washedwas about to washhave been washing【答案】D 【解析】【分析】句意:——你看上去很累。此處表示動(dòng)作一整天都在進(jìn)行,一直在持續(xù),用現(xiàn)在完成進(jìn)行時(shí),故選D。12.—You look pretty tired today!—I an environmental report over the last few days, which should be submitted to the boss tomorrow. A.was writingC.have been writing【答案】D 【解析】【分析】句意:—你今天看起來很累!—在過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。13.The Ford Company has been operatinghas operatedhad been operatinghad operated【答案】A 【解析】【分析】句意:自2017年10月。since,“自從”,Since后如果是過去的時(shí)間,主句要用現(xiàn)在完成時(shí)?,F(xiàn)在完成進(jìn)行表示動(dòng)作從過去一直持續(xù)至現(xiàn)在,這個(gè)動(dòng)作正在進(jìn)行。分析可知從過去一直至現(xiàn)在,要用現(xiàn)在完成進(jìn)行時(shí),故選A。14.The western countries have been _________ Christmas for many years. celebratingcelebratecelebratescelebrated【答案】 A 【解析】【分析】have/has been+現(xiàn)在分詞是現(xiàn)在完成進(jìn)行時(shí);句意:西方國家很多年來一直在慶祝圣誕節(jié)。15.Rosa _____ this washing machine for more than ten years. She is thinking about buying a new one. A.usedC.has been using【答案】 D 【解析】【分析】句意:Rosa已經(jīng)使用這臺(tái)洗衣機(jī)超過10年了,她正在考慮買一個(gè)新的?!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。s wrong? You look really stressed out. —I ________ the whole week preparing for my graduation paper.A.B.C.D.—我已經(jīng)連軸轉(zhuǎn)努力了一整個(gè)星期來寫我的畢業(yè)論文。 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。hunts forB.has hunted forD.——從一個(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)?!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。s time the central government _____ some effective measures to bring them under control. A. would takehave increased。have been increasing。have been increasing。因此,該是中央政府采取措施降低并控制房?jī)r(jià)的時(shí)候了。s/was time that“該是.......的時(shí)候了,從句中往往用過去時(shí),也可以用should+動(dòng)詞原形;故答案是D。s/was time that。s not surprising. So many peopleehave ehave been ingcame【答案】 C 【解析】【分析】句意:—還有許多事情要做!—好吧,這并不奇怪??疾闀r(shí)態(tài)。 【點(diǎn)評(píng)】考查時(shí)態(tài)在具體語境中的運(yùn)用。have struggledstruggledhave been strugglinghad struggled【答案】 C 【解析】【分析】句意:新的貨幣政策將于下月生效。分析句子成分可知,panies為先行詞,在后面的定語從句中作主語,分析句意可知,定語從句的時(shí)態(tài)為現(xiàn)在完成進(jìn)行時(shí),表示從過去某一時(shí)間開始struggle