-–She looks very happy. She ________have passed the exam.  --I guess so. It’s not difficult after all.
#87944
A
should
B
must
C
could
D
might
推荐题目
Should it rain, the crops _____ . 
#87153
A
would be saved
B
would have been saved
C
will be saved
D
had been saved
This cake is very sweet.You __________ a lot of sugar in it.
#87614
A
should put
B
could have put
C
might put
D
must have put
 —No wonder you caught a cold. You ________out last night without a coat. —I know how silly I was.
#89425
A
shouldn’t have gone
B
mustn’t have gone
C
couldn’t have gone
D
mightn’t have gone