Thechild'smotherwasvery____________

发布时间：2020-07-27 10:16:18

The child's mother was very ____________ for his safety when he didn't e back from school at the usual time.A.afraidB.worriedC.concernedD.careful

网友回答

C解析be concerned for“为……挂念”“关心，挂念”。
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