The ground is all wet. It _________ last night.
#87531
A
can’t have rained
B
may have rained
C
can have rained
D
must have rained
推荐题目
I’m surprised that he _____ in the exam.
#90197
A
should fail
B
would have failed
C
may have failed
D
should have failed
The little child _______ go home alone at night.
#89814
A
wasn’t dare
B
dared not
C
dared not to
D
don’t dare
_______ he was seriously ill, I wouldn’t have told him the truth.  
#87834
A
If I knew
B
If I know
C
Had I known
D
Did I know