You’d better keep these notes; they may come in ______ one day.

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问题 You’d better keep these notes; they may come in ______ one day.

选项 A、handy
B、useful
C、convenient
D、helpful

答案A

解析 come in handy“迟早有用，派得上用场”，是口语中的固定搭配，故选A。

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专业英语四级

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You’d better keep these notes; they may come in ______ one day.

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