单项选择题

I haven’t seen my neighbors for over a week. They _________ on a trip abroad.

A．may go
B．may have gone
C．must go
D．ought to go
<上一题 目录 下一题>
热门 试题

单项选择题
I wish I _________ able to talk with him when he was here last ningt.
A．were
B．was
C．had been
D．Would be
单项选择题
Can you _________ your absence from the class last Thursday
A．explain
B．examine
C．excuse
D．expand
相关试题