As is known to all language learners, newly learnt words will soon be forgotten

题干

As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.

A．exactly

B．finally

C．gradually

D．frequently

上一题下一题 0.64难度单项选择更新时间:2013-04-08 10:20:47

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