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inished8.By the time the alarm clock went off, My mother had already _________.A.7.When I got to school, I realized I ______ my backpack at home.A.6.Before O39。had turned。has【答案】 A 【解析】【分析】句意:我們是在太累了,停下來休息一下吧。is playing.A.arrived。has playedto have從句用一般過去時(shí),主句用過去完成時(shí),需用“had+過去分詞”結(jié)構(gòu),可排除A;根據(jù)句意結(jié)構(gòu),可知,故選B。has been asleepwaken up meB.11.The bus ______ for five minutes when Tim arrived at the station. A.was happened【答案】 B 【解析】【分析】句意:看著丹尼爾哭著跑進(jìn)教室,我問他發(fā)生了什么。 watch watching【答案】 A 【解析】【分析】由句中的by the time可判斷.這里用過去完成時(shí),故選A。has left【答案】 C 【解析】【分析】by the time的從句用過去時(shí),主句用過去完成時(shí),表示主句的動(dòng)作先發(fā)生,故選C。has been on20.—Did you see Tom at the party? —No, he _________ by the time I got there.A.will work【答案】 C 【解析】【分析】句意:王先生在這個(gè)工廠工作已經(jīng)30年了。had stayed【答案】 D 【解析】【分析】句意:直到上周末,她已經(jīng)待在中國西部?jī)蓚€(gè)月幫助那些無家可歸的孩子們。C.【點(diǎn)評(píng)】考查過去完成時(shí)。hasn39。表示“過去的過去”動(dòng)作要用過去完成時(shí)(had + 過去分詞),所以選A?!军c(diǎn)評(píng)】英語中的時(shí)態(tài)主要是借助于時(shí)間狀語與上下文語境來進(jìn)行判斷。B.D.【點(diǎn)評(píng)】本題考查過去完成時(shí)的用法,表示在過去某一時(shí)間前已經(jīng)發(fā)生的動(dòng)作。had been toC.【點(diǎn)評(píng)】考查時(shí)態(tài)辨析27.Johnson ______ two tickets for the concert before Joe made a phone call to him.A.26.—Did Alan see his old friends yesterday?—Yes, he did. HeD.got,一般過去時(shí),離開在到達(dá)之前已經(jīng)發(fā)生了,因此使用過去完成時(shí),故答案是C。C.had been+過去分詞,含有被動(dòng)語態(tài)的過去完成時(shí)。have begun . A.B.A. is entering現(xiàn)在進(jìn)行時(shí);B. has entered現(xiàn)在完成時(shí);C. was entering過去進(jìn)行時(shí);D. had entered過去完成時(shí)。is enteringB.B.sleptD.turned。根據(jù)時(shí)間狀語when he gave his first ,表示先彈鋼琴彈了很多年,然后開了音樂會(huì),表示過去的過去,應(yīng)該用過去完成時(shí):had+動(dòng)詞的過去分詞,故答案為C。 has left【答案】 B 【解析】【分析】由語境可知,到達(dá)火車站發(fā)生在火車離開之后,故排除A、D兩項(xiàng)。by the time引導(dǎo)時(shí)間狀語從句,從句用一般過去時(shí),主句則用過去完成時(shí),故選B?!军c(diǎn)評(píng)】考查過去完成時(shí)。 have scoredhad turned。wake up mewas。根據(jù) was put out,可知一般過去時(shí),消防隊(duì)員三次進(jìn)入著火的大樓,動(dòng)作已經(jīng)完成,因此用