—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?
#62928
A
May
B
Must
C
Shall
D
Will
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–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
—May I use your computer, Mr WU? —______．
#74621
A
Yes, you may not
B
No, you may
C
Yes I may
D
No, you may not
—I want someone to write the composition for me. —No！As a student，you _______depend on yourself.
#63237
A
shall
B
will
C
can
D
may