he finished his homework _____.
he finished his homework _____.
A,on his own
B.by his own
C,in his own
D.at his own
为什么是选A啊?我觉得选B啊,介词应该怎么用啊.唉
人气：475 ℃ 时间：2019-10-11 19:43:01
解答
答案：he finished his homework on his own .
解析；on one'own 是固定搭配,翻译为由某人自己.
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