does not really matter whether you win or lose. If you try your best, there is n
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_______does not really matter whether you win or lose. If you try your best, there is nothing to regret.?
A. It B. What C. That D. Which?
试题答案
A
解析:
考查it作形式主语。句子真正的主语是主语从句whether you win or lose。