—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
We would have called a taxi yesterday if Harold __________us a ride home.
#87413
A
didn’t offer
B
wouldn’t offer
C
hasn’t offered
D
hadn’t offered
  The professor requested that all the students ________ the reports at once.
#86365
A
would hand in
B
handed in
C
hand in
D
handing in