your paper carefully, some mistakes could have been avoided. A．If you had checked ——青夏教育精英家教网—

题目内容

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

试题答案

9、A

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your paper carefully, some mistakes could have been avoided.

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

C．Having checked D．Check

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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