单项选择题

They left three hours ago; they ______ there by now.

A．must arrive
B．can arrive
C．must have arrived
D．will arrive
<上一题 目录 下一题>
热门 试题

单项选择题
I expressed hope ______ they would come to visit China again.
A．that
B．as
C．although
D．whether
单项选择题
I have no objection ______ his staying in the library as long as he keeps quiet.
A．of
B．to
C．in
D．over
相关试题