题目内容

18.All the time must be made full use of __________.(  )
A.studying hardB.to study hard
C.be studying hardD.to be studied hard

分析 所有的时间都必须充分利用来努力学习.

解答 答案:B 考查动词不定式.此处用动词不定式表示目的.A项:动名词,容易错当成make full use of的宾语;C项:没有这种表达形式;D项:不定式的一般被动式,此处要用主动式.

点评 动词不定式具有名词、形容词和副词的特征,因此,在句中可以作主语、表语、宾语、宾语补足语、定语和状语.第一步,分析句子的语态,根据主语与动词的关系判断该句是主动句还是被动句;第二步,判断动词的时态和单复数.如果是主动句(主语是动作的施行者),就判断动词的时态,直接写出动词的时态即可.

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B.had no choice but to live a life in the past
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