—Hi, Johnson, any idea where Susan is?  —It’s class time, so she          in the classroom now.
#87475
A
can be
B
must have been
C
might have been
D
should be
推荐题目
He desired that he ______ the right to vote.
#87076
A
had
B
have
C
has
D
had had
Oh, Janne, you’ve broken another glass. You ought ____when you washed it. 
#89876
A
be careful
B
to care
C
have cared
D
to have been careful
I should not have laughed if I________you were serious.               
#86477
A
thought
B
would think
C
had thought
D
have thought