Before there goes the bell for class, our math teacher took out a piece of and wrote his problems on the blackboard. A. brush pen B. chalk C. paper D. pencil 【查看更多】

 

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79. Before there goes the bell for class, our math teacher took out a piece of       and wrote his problems on the blackboard.

A．brush pen

B．chalk

C．paper

D．Pencil

 

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79. Before there goes the bell for class, our math teacher took out a piece of       and wrote his problems on the blackboard.

 A.brush pen           B. chalk                   C. paper                     D. Pencil

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Before there goes the bell for class, our math teacher took out a piece of　　　 and wrote his problems on the blackboard.

　 A. brush pen　　　 B. chalk　　　 C. paper　　 D. pencil

 

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