问题描述:
__________, he always helps us with our English.
A. However he may busy B. However busy he may be
C. No matter how he may be busy D. No matter he may be how busy
答案是B,请问为什么不选C?
A. However he may busy B. However busy he may be
C. No matter how he may be busy D. No matter he may be how busy
答案是B,请问为什么不选C?
问题解答:
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