题目

All the girls swam in the lake except two, who _____ halfway. A. gave off                                               B. gave up C. gave away                                            D. gave out 答案：B 解析: give up 意为“放弃”；give out 意为“分发，发出(气味、热等)，发表，用尽，精疲力竭”；give away意为“送掉，分发，放弃，泄露，出卖”；give off 意为“发出(蒸汽、光等)，长出（枝、杈等）”。

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