问题描述：
求句型分析和讲解!The task of writing a dictionary begins...
The task of writing a dictionary begins with reading huge amounts of the literature of the period or subject that the dictionary is to cover.
① to 涉及的意思么?为什么是 to cover而不是covering?
②求断句语法分析.
③ that the dictionary is to cover.that在这边什么作用?引导一个句子么?
The task of writing a dictionary begins with reading huge amounts of the literature of the period or subject that the dictionary is to cover.
① to 涉及的意思么?为什么是 to cover而不是covering?
②求断句语法分析.
③ that the dictionary is to cover.that在这边什么作用?引导一个句子么?
问题解答：
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