—Mum, would you please buy me an MP5 player?—If you can help do the dishes the whole vacation, you ________ have one as a reward.
#62944
A
must
B
need
C
would
D
shall
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—Must I go with you?—No, you ________.
#76477
A
needn’t
B
shouldn’t
C
mustn’t
D
can’t