单项选择题

--Must I turn the paper in at the end of this week --No, you

[A] mustn't
[B] needn't
[C] don't
[D] shouldn't
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People should wear ______ dress they feel comfortable in.
[A] what
[B] that
[C] which
[D] whichever
单项选择题
Then it was Jerry's duty to cautiously ______ the arrow had it missed the mark.
[A] recover
[B] regain
[C] refund
[D] retrieve
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