# he finished his homework _____.he finished his homework _____.A,on his ownB.by his ownC,in his ownD.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

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he finished his homework _____.he finished his homework _____.A,on his ownB.by his ownC,in his ownD.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

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

he finished his homework _____.he finished his homework _____.A,on his ownB.by his ownC,in his ownD.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

A.on one's own 靠某人自己,即On his own.要不就是by himself.希望对你有所帮助!

如果是by的话就应该是 by myself， one's own的话就是 on了

固定搭配，死记硬背。

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