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ainB.had rained注意根據(jù)主從句的時(shí)態(tài)關(guān)系確定正確的時(shí)態(tài)。由句子結(jié)構(gòu)可知,含有賓語從句的復(fù)合句,從句謂語動(dòng)詞are,用的是一般現(xiàn)在時(shí),主句強(qiáng)調(diào)動(dòng)作的延續(xù)性和反復(fù)性,要用現(xiàn)在完成進(jìn)行時(shí),故選D。D.was plainingB.plainedto me that they find the city39。 【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【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。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。C.used17.Rosa _____ this washing machine for more than ten years. She is thinking about buying a new one. A.根據(jù)本題題意,“我”已經(jīng)從一周前開始,持續(xù)工作直至現(xiàn)在(有表達(dá)時(shí)間段的提示短語the whole week),唯有現(xiàn)在完成進(jìn)行時(shí)可表達(dá)這一含義,應(yīng)選用have been doing的結(jié)構(gòu),故選C。worked【答案】 C 【解析】【分析】句意:—你怎么了?看起來真的壓力很大。have been workinghave workedwork16.— What39。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。C.was writingan environmental report over the last few days, which should be submitted to the boss tomorrow. A.15.—You look pretty tired today!—I yet用于否定句末,是現(xiàn)在完成時(shí)的標(biāo)志詞,故選C。t finish【答案】 C 【解析】【分析】句意:——看,海倫的辦公室的燈還亮著在。D.hasn39。t finishB.doesn39。14.— Look, the light is still on in Helen39。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。have been washing【答案】D 【解析】【分析】句意:——你看上去很累。was about to washhave washedwashed【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。had 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。has been strugglingstruggledstruggles【點(diǎn)評(píng)】本題要求考生在理解句義的基礎(chǔ)上,進(jìn)一步牢固掌握動(dòng)詞的各種時(shí)態(tài)的用法。raise是及物動(dòng)詞,要用raise的話,需要改成“財(cái)產(chǎn)被提高”;rise是不及物動(dòng)詞,表示某物上漲;財(cái)富在持續(xù)上漲,表示從過去開始一直持續(xù)到現(xiàn)在還要持續(xù)下去,用現(xiàn)在完成進(jìn)行時(shí)。句意:即使巴菲特每年都捐贈(zèng)一部分財(cái)產(chǎn),巴菲特所持有的伯克希爾D.has risenB.has raised11.Even though he gives away a piece of his fortune each year, the stock of Berkshire Hathaway, the source of Warren Buffet39。故知選D項(xiàng)。表示持續(xù)到現(xiàn)在并且仍在進(jìn)行的動(dòng)作,應(yīng)用現(xiàn)在完成進(jìn)行時(shí)?!@不吃驚。D.will have been livedB.has been living【點(diǎn)評(píng)】考查時(shí)態(tài)10.— He speaks Chinese very well.— It39。現(xiàn)在完成進(jìn)行時(shí)通常表示過去發(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 doing9.I ________ my homework for four hours, but I am not sure whether I can hand it in tomorrow.A. 【點(diǎn)評(píng)】考查現(xiàn)在完成進(jìn)行時(shí)和主謂一致。since the end of