—Listen ! Helen is singing in the next room.—It __________ be Helen. She is in Tianjin now.
#76500
A
can’t
B
mustn’t
C
may not
D
shouldn’t
推荐题目
You _____ have bought the book for me, but thank you all the same.
#62880
A
shouldn’t
B
needn’t
C
can’t
D
mustn’t
Today is Wednesday. He _______ be at home. He _____ be at school.
#77250
A
can’t; can
B
can’t; must
C
mustn’t; must
D
mustn’t; can
---Let's go to the train station by bus.---We______take a bus. It is quite near from here.
#74313
A
can't
B
needn't
C
couldn't
D
mustn't
Where are you going this month?We_________ go to Xiamen, but we’re not sure.
#75361
A
needn’t
B
must
C
might
D
mustn’t