赞题库-背景图

单项选择题

--Is Mrs White in the office --Yes, ______ she is on duty, she must be there.

A．since
B．until
C．for
D．if

<上一题目录下一题>

热门试题

单项选择题What does the woman mean

A． He speaks too fast.
B． He speaks too slowly.
C． He doesn’t speak to the point.

单项选择题What’s the problem

A． The man can’t drive,
B． They are lost.
C． The conference is over.