– Why you didn’t handed in your exercise paper?
–Sorry, but I ____ that it should be turned in today.
A.didn’t know B.hadn’t known
C.haven’t known D.don’t know
A

試題分析:句意:--為什么你今天沒有交上你的練習(xí)本?--對(duì)不起,我不知道今天應(yīng)該交。根據(jù)語(yǔ)境可知他現(xiàn)在剛知道,所以不知道應(yīng)當(dāng)發(fā)生在過去,應(yīng)該用過去式,過去完成時(shí)是發(fā)生在過去的過去,這里沒有相對(duì)的過去的動(dòng)作,故排除B,現(xiàn)在完成時(shí)表示過去的動(dòng)作對(duì)現(xiàn)在造成的影響,這里也不符合語(yǔ)境,故選A。
點(diǎn)評(píng):本題難度適中。動(dòng)詞時(shí)態(tài)的考查與一定的語(yǔ)境結(jié)合一起增加了試題的難度,有的考生時(shí)態(tài)的用法背的很熟,但在不同的語(yǔ)境下,就做不對(duì)了,提醒考生一定要會(huì)分析理解語(yǔ)境。
即學(xué)即練:——Bob has gone to California.
——Oh, can you tell me when he        ?
A. has left    B. left    C. is leaving   D. would leave
解析:B。句意:“——Bob已經(jīng)去了加利福尼亞!蓿隳芨嬖V我他什么時(shí)候離開的?”Bob has gone to California,去的動(dòng)作已經(jīng)發(fā)生過,說(shuō)明他離開的動(dòng)作發(fā)生在過去,因此使用一般過去時(shí)。選B。
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