He found it necessary for us______ from each other.

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问题 He found it necessary for us______ from each other.

选项 A、to help and learn
B、helping and learning
C、to learn and to help
D、learning and helping

答案A

解析 it 为found的形式宾语，而后面的不定式to help and learn from dach other 为found的真正宾语。

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公共英语二级笔试

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