摘要： At the beginning of the class, the noise of desks could be heard outside the classroom. A. opened and closed B. to be opened and closed C. being opened and closed D. to open and close
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At the beginning of the class, the noise of desks could be heard outside the classroom.
A．being opened and closed B．to be opened and closed
C．opened and closed D．to open and close
查看习题详情和答案>>At the beginning of class，the noise of desks ________ could be heard outside the classroom．
A．opened and closed B．to be opened and closed
C．being opened and closed D．to open and close
查看习题详情和答案>>At the beginning of class，the noise of desks could be heard outside the classroom.?
A.opened and closed B.to be opened and closed?
C.being opened and closed D.to open and close
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