单项选择题

______ did you finish your work—Three hours ago.

A． How
B． Why
C． When
<上一题 目录 下一题>
热门 试题

填空题
Who will probably get hurt in an indoor accident
单项选择题
Why can’t many stars be seen
A． They are too small.
B． They are too bright.
C． They are too far away.
相关试题