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9、         your paper carefully, some mistakes could have been avoided.

A．If you had checked                                     B．If you have checked

C．Having checked                                          D．Check

9、A

請(qǐng)?jiān)谶@里輸入關(guān)鍵詞：
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科目：高中英語(yǔ) 來(lái)源： 題型：

          your paper carefully, some mistakes could have been avoided.

A．If you had checked  B．If you have checked

C．Having checked       D．Check

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科目：高中英語(yǔ) 來(lái)源： 題型：

         your paper carefully, some mistakes could have been avoided.

A．If you had checked                                     B．If you have checked

C．Having checked                                          D．Check

查看答案和解析>>


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