题目内容
【题目】I don't understand why he allowed his son _______ such a thing.
A.to doB.doC.doingD.done
【答案】A
【解析】
句意：我不明白他为什么允许他儿子干这种事。
考查非谓语动词。从句中谓语动词为allow，allow sb to do sth允许某人做某事，故此处填写动词不定式作宾补。故选A。
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题目内容
【题目】I don't understand why he allowed his son _______ such a thing.
A.to doB.doC.doingD.done
【答案】A
【解析】
句意：我不明白他为什么允许他儿子干这种事。
考查非谓语动词。从句中谓语动词为allow，allow sb to do sth允许某人做某事，故此处填写动词不定式作宾补。故选A。