—Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t
推荐题目
----May we leave the classroom now?----No, you . You to leave until the bell rings.
#75525
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed
—Why didn’t you come to my birthday party last night? —I planned to, but my parents simply not let me out so late at night.
#63282
A
could
B
might
C
would
D
should
This book Jenny’s. Because her name is on the cover of the book.
#75265
A
need
B
must be
C
can’t be
D
must
Tom, you ________ leave all your clothes on the floor like this next time.
#63404
A
mustn’t
B
wouldn’t
C
needn’t
D
may not