When ________ questions in class, one should answer them as clearly as possible. A. asking B. to ask...
2022-12-08 08:04:42 66次 2012-2013学年河南洛阳中成外国语学校高三上学期月考英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
When ________ questions in class, one should answer
them as clearly as possible.
A. asking B.
to ask C. to be asked D.
asked
本题链接：
