--Listen! Someone is knocking at the door.-- ______ be Mary. She has just been to Beijing
#89781
A
She mustn’t
B
It can’t
C
It must
D
She may
推荐题目
——Tom is never late for work. Why is he absent today?—— Something _____to him.
#87520
A
must have happened
B
can have happened
C
must happen
D
can happen
—I promise that she get a nice present on her birthday.—It will be a big surprise to her.
#89675
A
should
B
must
C
would
D
shall
---I haven’t got the reference book yet, but I’ll have a test on the subject next month. ---Don’t worry. You______ have it by Friday.
#88241
A
could
B
shall
C
must
D
may
If you have something important to do, you ___ waste any time.
#89049
A
needn’t
B
mustn’t
C
may not
D
won’t