21．Sandra works in a big factory．She's worker．A．a(chǎn) B．the C．some D．／ 【查看更多】

 

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Sandra works in a big factory．She's             worker．

A．a(chǎn)                         B．the                      C．some                     D．／

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Sandra works in a big factory. She's_________worker.         

A．a(chǎn)

B．the

C．some

D．/

 

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