—Listen ! Helen is singing in the next room.—It _______ be Helen. She has gone to Beijing.
#74851
A
can’t
B
mustn’t
C
may
D
should
推荐题目
—Where did you get The Frog written by Mo Yan?—I picked it up from a bookshop online if you ________ know.
#62341
A
must
B
will
C
can
D
shall
—Let’s go to watch the cosplay show! —Sorry, I . I have to go to my guitar lesson.
#74411
A
shouldn’t
B
mustn’t
C
needn’t
D
can’t
The Smiths went to the country for the weekend as they ______ to the office.
#63002
A
needn’t have gone
B
mustn’t go
C
may not go
D
didn’t have to go
You _____ hurt your stomach if drinking beer while having sea food.
#63244
A
may
B
need
C
ought to
D
shall