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    【题目】Sometimes it’s tough to get off the couch and go for a run. With so many digital devices at your fingertips, how can you possibly keep________?

    A.in turn

    B.in shape

    C.in return

    D.in charge

    【答案】B

    【解析】考查介词短语辨析。句意：有时，很难从沙发上站起来，稍微活动一下。手边有那么多数码设备，你怎么可能保持健康呢？in shape＂健康＂，符合句意。in turn＂轮流，相应地＂；in return

    ＂作为回报＂；in charge＂负责＂。

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