16、Tom ______ full marks, but he was too careless and made a spelling mistake．

A．could gain        B． could have gained      C． must have gained      D． must gain

16、B

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科目：高中英語 來源： 題型：

Tom ______ full marks, but he was too careless and made a spelling mistake．

A．could gain        B． could have gained      C． must have gained      D． must gain

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科目：高中英語 來源： 題型：

Tom ______ full marks, but he was too careless and made a spelling mistake.

A．could gain                                          B．could have gained   

C．must have gained                                 D．must gain

查看答案和解析>>


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