请帮忙翻译一下下面这个句子This material provides a wide-range of grammmar practice exercises and offers a complete approach which can help you improve your communication skills when we socialize with different kinds of people.
问题描述：
请帮忙翻译一下下面这个句子
This material provides a wide-range of grammmar practice exercises and offers a complete approach which can help you improve your communication skills when we socialize with different kinds of people.
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