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试题详情及答案解析
Our teachers often ask us ____ over the answers carefully before handing in our papers.
A.goB.goingC.to goD.gone
答案:C
试题分析:句意:我们的老师经常要求我们交卷之前仔细检查一下答案。固定语法ask sb to do sth,故选C。
考点:考查非谓语动词的用法。