－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.
#77768
A
mustn’t
B
can’t
C
shouldn’t
D
may not
推荐题目
-- Must I return the book by the end of next month?-- . You can keep it as long as you like.
#62836
A
No, you mustn’t
B
No, you can’t
C
Yes, you have to
D
No, you needn’t
--- 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.
#63173
A
could
B
shall
C
must
D
may
—Can you keep a secret?—You ________ worry—I'm not going to mention it to anyone.
#62328
A
needn't
B
couldn't
C
mustn't
D
won't
Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.
#63228
A
shouldn’t eat
B
mustn’t have eaten
C
shouldn’t have eaten
D
mustn’t eat
It’s said that there are plenty of hotels here .There be any difficulty for you to find somewhere to stay.
#63544
A
mustn’t
B
needn’t
C
wouldn’t
D
shouldn’t