单项选择题

Mr. Smith has to go to Beijing on business, ______

A．hasn't he
B．has he
C．isn't he
D．doesn't he
<上一题 目录 下一题>
热门 试题

单项选择题
It wasn't such an interesting book ______ she had told me.
A．that
B．as
C．which
D．what
单项选择题
The sun will burn you ______ you're not careful.
A．if
B．and
C．but
D．unless
相关试题