选择题：12.The number of the students who took part in the

题目内容：

12.The number of the students who took part in the entrance examination _____ great.（5分）
Ais
B are
C has
D have
纠错

参考答案：

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PowerPoint演示文稿和模板的扩展名是( )A. doc和txtB. html和ptrC. pot和pptD. ppt和pot

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