What are you --------.Mary Do you have any problems?
A worrying baout B worrying with Cworried of Dworried for 选什么
人气：381 ℃ 时间：2020-05-12 00:24:52
解答
What are you （A worrying baout）,Mary?Do you have any problems?
你在担心什么,玛丽?你有什么难题吗?
worry about sth,对某事担忧.介词要用about.
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