I set up email addresses for connecting with my parents last May. But I didn’t write to them as often as I ______.
#62865
A
should
B
must have
C
should have
D
must
推荐题目
The boy insisted that he __________ nothing wrong and that he __________ at once.
#63242
A
did, should be set free
B
should do, must be set free
C
do, should be set free
D
did, must be set free
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job? —______ my students have a try?
#62920
A
May
B
Must
C
Will
D
Shall
—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
#63686
A
shall
B
can
C
must
D
might
—________ I smoke here?—No. You are not allowed to smoke in public places.
#78047
A
Could
B
Must
C
May
D
Might
My brother is honest. He _____ such a thing.
#63425
A
might not do
B
can’t have done
C
can do
D
mustn’t have done