早教吧 育儿知识 作业答案 考试题库 百科 知识分享

一道英语单选题aboutherownsafety,Maryputacardonthebackofhercarreading"Caution-NewlyLicensed."A.ConcerningB.HavingconcernedC.BeingconcernedD.Concerned选D,为什么?

题目详情
一道英语单选题
_______ about her own safety,Mary put a card on the back of her car reading "Caution-Newly Licensed."
A.Concerning
B.Having concerned
C.Being concerned
D.Concerned
选D,为什么?
▼优质解答
答案和解析
1.be concerned about...关心,关注
2.过去分词concerned在这里作状语,意思是“考虑到自己的安全”