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They couldn't arrive because they were delayed by?
A.heavy traffic B.heavy traffics
C.crowded trafffic.D.crowded traffics.
选什么?为什么?根据语法规则是什么?
人气:434 ℃ 时间:2019-08-26 06:41:55
解答
选A.
首先traffic是不可数名词.
其次一般的搭配是用heavy;指人就用heavy.
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