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Dad, my computer is broken. Must it _____ now?
A.is repairedB.has been repairedC.be repairedD.has repaired
C

試題分析:句意:爸爸,我的電腦壞了。它必須現在修理嗎?It指代電腦,它與repair修理是被動關系,要用被動語態,系動詞be+動詞過去分詞;句中有情態動詞must,所以be要用原形,故選C。
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