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    We must______ using plastic bags in order to protect our earth..

    A. give out         B. give up      C. give away      D. give in

     

    【答案】

    B

    【解析】考查点：考察动词词组辨析。解题思路：give out “分发”，give up“放弃”，give away “分发”；give in “屈服”。根据句意：我们必须放弃使用塑料袋来保护我们的地球。故选B。

     

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