Classroom interaction is an essential approach to develop the communicative competence.

课堂交互活动是培养交际能力的必要途径。

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This is an essential approach when dealing with many of the local delicacies.

这是我应对当地很多美食的基本方法。

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This is an essential approach when dealing with many of the local delicacies.

这是我应对当地很多美食的基本方法。

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