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25．We in this pool when we were young.but now it fish． A．a(chǎn)re used to swim:used to keep B．a(chǎn)re used to swimming,is used to keep C．used to swim,used to keep D．used to swim,is used for keeping 【查看更多】

 

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We         in this pool when we were young，but now it       fish．

A．a(chǎn)re used to swim：used to keep

B．a(chǎn)re used to swimming；is used to keep

C．used to swim；used to keep

D．used to swim；is used for keeping

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