------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
----This is for you. ----You____have!I do not know how to thank you.
#87113
A
must not
B
couldn´t
C
needn’t
D
shouldn’t
If may car _________more reliable, I would have driven to Lhasa instead of flying last summer.
#87409
A
was
B
had been
C
should be
D
would be
. If I ______ plan to do anything I want to，I’d like to go to Tibet and travel through as much of it as possible.
#88041
A
would
B
could
C
had to
D
ought to
The scientists are urging that the chemical _____．
#87240
A
is banned
B
should ban
C
be banned
D
must be banned
If you want to borrow a football after school, your student ____ here.
#88148
A
has to leave
B
mustleave
C
has to be left
D
mustbe left