The red bike _______be Hu’s. She has a blue bike.
#78305
A
must
B
might
C
can
D
can’t
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The school rules state that no child _____ out of the school, unless accompanied by an adult. 
#63402
A
shall allow
B
shall be allowed
C
will allow
D
will be allowed
 ---Must I do the work today? ---No, you _______. You may do it tomorrow.
#78312
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
----I passed the college entrance examination.----Congratulations! You________.
#63093
A
could have studied hard
B
must have studied hard
C
should have studied hard
D
might have studied hard