—What would you wish to do if you were a college student again? —That's very hard to say, but I wish I___________ when I was a college student.
#89321
A
has not studied biology
B
did study biology
C
had studied biology
D
studied biology
推荐题目
The chief editor demanded  that  the  article ________immediately.
#87070
A
must be submitted
B
would be submitted
C
submits
D
be submitted
The teacher suggested the dictionary ___________ at once.
#87754
A
be referred to be bought
B
be referred to being bought
C
referred to be bought
D
referred to being bought
 Watch out for these animals! They could be terrified ______ a sudden loud noise.
#86944
A
being there
B
should there be
C
there was
D
there have been
Are you still here? You ______ home hours ago. 
#89553
A
should go
B
should have gone
C
might go
D
may have gone