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37．--Can you see some people are waiting the library?．--Yes．They are standing in a queue in front of its gate．A．a(chǎn)round B．inside C．outside 【查看更多】

 

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--Can you see some people are waiting _________ the library?．

--Yes．They are standing in a queue in front of its gate．

A．a(chǎn)round         B．inside        C．outside

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