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-- _____ I ask you a question, Mr. Wang?      -- Yes, you _______.
#76518
A
Can, can’t
B
Can, may
C
May, can
D
May, mustn’t
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Persons under 18 _____ not be employed in night work in the US.
#63281
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can
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won’t; can’t
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#74917
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can’t
B
needn’t
C
may
D
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