(2013·新课标Ⅰ，29)The door________open，no matter how hard she pushed.
#62491
A
shouldn't
B
couldn't
C
wouldn't
D
mightn't
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Why _______ you be so stubborn? You should think over my advice on this matter.
#62210
A
may
B
shall
C
dare
D
must
—Mr. Wang, must I come again to clean the window on Sunday morning?—No, you _____ . I have asked others to do it.
#75558
A
don’t have to
B
mustn’t
C
can’t
D
shouldn’t
–Mom, may I go swimming with my friends in the river? –No, you _________. That’s too dangerous.
#76231
A
won’t
B
don’t
C
needn’t
D
mustn’t
The flowers in my room every day, or they’ll die.
#75306
A
must water
B
must be watered
C
should water
D
can be watered