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试题详情
He finished all the work by himself;in fact,he couldcouldhave asked his friends for help.(need/could)
【考点】名词词义辨析;can/could用法.
【答案】could
【解答】
【点评】
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发布:2024/5/23 20:38:36组卷:0引用:0难度:0.7