为什么有些句子在逗号后的动词要用ing?
问题描述：
为什么有些句子在逗号后的动词要用ing?
如According to Professor Wang,slightly more than half of the school children in our country are short-slightly,{ranking} the first in the world.
答
在动词后加ing在句中充当状语,表示主动语态或动作正在进行.
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