------I don’t know why he has made such a silly mistake in the exam.  ------ He ____________ it before he handed in the paper. 
#88035
A
may have checked
B
might check
C
must have checked
D
should have checked
推荐题目
It is very important that you _______ for this examination.
#87091
A
would get yourself prepared
B
must get yourself preparing
C
should get yourself prepare
D
could get yourself prepared
 My Ipod is not here. Where ______ I have put it?
#88049
A
can
B
must
C
should
D
would
The order came that the enemies ____ in two hours.
#87827
A
would be defeated
B
should defeat
C
should be defeated
D
must be defeated