Why didn't he buy the ball?同义改写 （ ）did he buy the ball (

Why didn't he buy the ball?同义改写 （ ）did he buy the ball ( Why didn't he buy a ball?（同义句转换） ------- did he buy a ball ------? Why didn't you buy that dress? why didn't you buy ____ for yourself? why didn‘t you buy anything for yourself的翻译 He didn't buy anything yesterday 变为被动语态 英语句子成分划分He didn't come.That is why he didn't know l didn't have a clue why he disappeard. why didn't he didn't-------[buy/bought]that bag yesterday 选buy还是bought why引导的主语从句why he didn't come is that he was ill. 对吗? Nobody knows to work yesterday. A. why didn't he come B .why he didn't come C.why did he not come.选哪个,都帮帮忙 He didn't buy anything there befor he lehf.被动语态 翻译:we were all surprised. he didn't come to buy the house.he came to buy the tree. 句子分析：He hurt his leg yesterday.That's why he didn't come.why he didn't come是不是表语部分! wasn't和didn't的用法He didn't buy the book和he wasn't buying the book 有这么说的吗? Why didn't he like to do when he was a student 这句式怎么翻译 (He didn't want the axe,why would he want that )这句话是什么意思