—To make our city more beautiful, rubbish into the river. —I agree.
#78182
A
needn’t be thrown
B
mustn’t be thrown
C
can’t throw
D
may not throw
推荐题目
(2013·长沙二模)—The research on the new flu virus vaccine is challenging and demanding.Who do you think can do the job?—________ my students have a try?
#62416
A
May
B
Must
C
Will
D
Shall
—Why are you late again?—Something happened to our friend Wang Fei. I _____ to help him.
#62788
A
did refuse
B
needn’t have refused
C
couldn’t well refuse
D
did not say no
—Must I return the book to you now, Jack? —No, you _____. You can give me back tomorrow.
#76278
A
won’t
B
needn’t
C
can’t
D
shouldn’t
—I don’t mind telling you what I know.—You _________. I’m not asking you for it.
#74816
A
may not
B
can’t
C
mustn’t
D
don’t have to
Susan’s parents have bought a large house with a swimming-pool. It ____ be very expensive.
#76802
A
must
B
can
C
mustn’t
D
can’t