问题标题:
Youwon'twinthesingingcompetitionifyoutryyourbest.()A.aren'tB.don'tC.didn'tD.won't
问题描述:
You won't win the singing competition if you try your best.()
A.aren't
B.don't
C.didn't
D.won't
蒋正言回答:
答案:B,主句比赛发生在未来,是将来时;对于if引导的条件状语从句,一般用现在时表示将来,所以排除C两个选项.而此处需要填的否定助动词与动词try相对应,所以不能用aren't,所以选择B.
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