单项选择题

There are some differences between the two. I really don't know ______.

A．where to choose
B．which to choose
C．to choose what
D．to choose which
<上一题 目录 下一题>
热门 试题

单项选择题
Don't mention this while ______ to him.
A．talking
B．talk
C．talked
D．talks
单项选择题
Not only those students but also the teacher ______ something about the matter.
A．know
B．knowing
C．knows
D．known
相关试题