题目

I know the boy very well. I have seen him＿＿＿＿up from childhood. A.grow B.grew   C.was growing D.to grow 答案：A 解析: 在主动语态中，感官动词和使役动词后接省去to的不定式作宾补；在被动语态中，to不可省去。

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