题目内容：

-why are you going in such a hurry -Because I'm ________about ________late for school.

优质解答

-why are you going in such a hurry ? -Because I'm ___worried _____about ____being ____late for school.
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追问：

我想知道为什么是填being,

追答：

be late for 固定词组‘ 迟到’ 而ABOUT 是介词，介词后的动词要用ING形式。