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23．I Was doing my homework my mother was cooking．A．a(chǎn)fter B．because C．While D．a(chǎn)s soon as 【查看更多】

 

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I was doing my homework ___________ my mother was cooking．

A．a(chǎn)fter            B．because              C．while             D．a(chǎn)s soon as

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