Be quick, ___________ we’ll be late for the meeting.

A. and B. but

C. so D. or

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B

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If a pajama party is mainly for fun, a prom is no doubt a very important thing in most American schools. A prom is a formal（正式的）dance party that is held at a high school. The party is usually held near the end of the senior year, the last year of high school, so it is often called graduation（畢業(yè)）dance. Students are supposed to wear formal clothes at the prom. A Prom Queen and a Prom King may also be crowned（加冕）at many schools' proms.

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