题文
As is known to all language learners, the newly learnt words will soon be forgotten unless ___________ used in everyday communication.
| A．gradually |
| B．loosely |
| C．exactly |
| D．frequently |
推荐试卷
As is known to all language learners, the newly learnt words will soon be forgotten unless ___________ used in everyday communication.
| A．gradually |
| B．loosely |
| C．exactly |
| D．frequently |
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