摘要： “May I keep the book a little longer ? “ . A. No , you can’t . Of course . B. No , you may C. Sorry , you can’t D. Yes , certainly not
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—How long may I keep the book?
—You ________ keep it for two weeks.
A. may B. must C. will
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— _______ may I keep these books?
— Twice a week.
A. How often B. How far C. How long D. How soon
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—How long may I keep the book?
—You ________ keep it for two weeks.
A. may B. must C. will
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