摘要：( ) We collect waste paper and glass for . A. recycle B.recycling C. recycles D. recycled
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— Must we collect the bottles now?
— _____. You can do it after class.
— _____. You can do it after class.
[ ]
A. Yes, you may
B. Yes, you must
C. No, you mustn't
D. No, you needn't
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B. Yes, you must
C. No, you mustn't
D. No, you needn't
－
Must we collect the bottles now?－
________．You can do it after class．[ ]
A．Yes, you may
B．Yes, you must
C．No, you mustn't
D．No, you needn't
-Must we collect the waste paper and bottles now?
-- __________．You Call do it after class．
A．Yes，you must B．No，you needn’t C．Yes，you may D．No，you mustn’t
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