Whydoyoulookpaletoday?Iwasvery

更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1459

--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.

A．concerned about	B．concerned with
C．concerned in	D．concerned to

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