Question

【题目】________ matters most in learning English is enough practice.

A. What B. Why C. Where D. Which

Answer 1

【答案】A

【解析】考查名词性从句。句意：学习英语最重要的是足够的练习。________ matters most in learning English是主语从句，而在主语从句中谓语动词matters缺少主语，根据句意，故选A项。what引导主语从句且在从句中充当主语。