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 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。

Having finished his work,he went home.可以改为finished his work,he went home吗..为什么.. Tom went home after he finished his homework.Tom went home after he finished his homework.=Tom__ __home__he finished his homework. With his homework he went home happily A finished B had finished 说明原因, his father went home.he finished his woke(until)变复合句 He did't go home until he finished all his homework同义句 Jim finished his homework and then he went back home.(改同义句)Jim _____ go back home ________ he finished his homework. Tom went back home after he finished all his homework同义句转换Tom ---- ---- back home ---- he finished all his homework.RT ,快!~ He didn't go home.He went home after finishing his homework.合并为一句 He ()qo home()he finished作 after he___[finish]his work he went home at once.why?能用had finished吗? Mr green __(not go) home until he finished his work Jim finished his homework and then he went back home.(改同义句) Not until he finished his work _______go home.A he did B did heCwill be D he will He has finished his homework when his mom went home.那为什么说when 不可以和现在完成时用? He won't go back home until he finish his homework.是finish还是finishes?选项里没有finished he went home ( ) he had finished his homework.A.when B.while C.as D.and和原因 with his work——,he went home happily.A.finishingwith his work——,he went home happily.A.finishing B.to finish C.finished D.had finished The scientist finished his work.He went home.合为一句The scientist ____ go home ___ he ___his work :WITH HIS WORK[ ],HE WENT HOME HAPPILYA finishingB to fnishC finished D had finished [不知道到底是选A还是C阿,]