—You                      praise your son. He works harder than before. —Thanks, I will.
#74700
A
should
B
can
C
may
D
must
推荐题目
-----Someone is knocking at the door.It ____ be Tom .-----No, it ______ be him ;he has gone to Sydney.
#63094
A
must, can’t
B
might, mustn’t
C
may, needn’t
D
can, mustn’t
I hope you __________ to my birthday party.
#75244
A
to come
B
can come
C
comes
D
are come
Not having work out the problem,          leave the office.
#63683
A
so he was not allowed to
B
and he didn’t want to
C
the teacher couldn’t make him
D
he couldn’t free himself to