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--- I try to memorize new words every day, but can only remember few of them. --- That’s not surprising. Newly – learnt words are easily forgotten unless frequently in communication. A. used B. using C. to use D. be used 【查看更多】

 

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一I try to memorize new words every day, but can only remember few of them．

一That’s not surprising．Newly-learnt words are easily forgotten unless frequently _______ in communication．

A．used                       B．using                C．to use                 D．be used

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