To celebrate the New Year, the students stayed in the classroom after school, __

题干

To celebrate the New Year, the students stayed in the classroom after school, _____ the performances and ______ the room.

A．practicing ; preparing	B．practiced ; prepared
C．to practise ; prepare	D．practicing ; prepared

上一题下一题 0.85难度单项选择更新时间:2010-06-26 10:28:51

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