matters most in learning English is enough practice. A. WhatB. WhyC. WhereD. Which

发布时间：2020-08-15 00:16:50

     matters most in learning English is enough practice.
A. What
B. Why
C. Where
D. Which

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(答案→)A. What
B. Why
C. Where
D. Which
解析：what在此引导主语从句，相当于the thing that。
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