题目内容
—May I go to the science museum with you next Saturday?
—You can't ________you have a ticket. I have only one ticket.
A. if B. until C. unless D. as soon as
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题目内容
—May I go to the science museum with you next Saturday?
—You can't ________you have a ticket. I have only one ticket.
A. if B. until C. unless D. as soon as