They__dowellintheexamA,canbeabletoB.beabletoC.canabletoD.areableto
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题目内容:
They__do well in the exam A,can be able to B. be able to C.can able to D.are able to
优质解答
D
can和be able to都表示“能”
两者不会同时使用
要么用can,要么用be(需要根据语态和时态修改) able to
这里用are able to
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