单项选择题

Mike looks so sleepy in the class; he ______ up last night.

A．must stay
B．should have stayed
C．must have stayed
D．is sure to stay
<上一题 目录 下一题>
热门 试题

单项选择题
She remains confident and ______ untroubled by our present problems.
A．indefinitely
B．infinitely
C．optimistically
D．seemingly
单项选择题
Bit by bit, a child makes the necessary changes to make his language ______.
A．as other people
B．as other people's
C．like other people
D．like other people's
相关试题