His mother did all she could to help him with his study可以改成His mother did all she could do to help him with his study吗?可以的话,句子成分有变化吗?不可以改的话,为什么?

His mother did all she could to help him with his study可以改成His mother did all she could do to help him with his study吗?可以的话,句子成分有变化吗?不可以改的话,为什么? My father did all the cooking in my mother's a___ 首字母填空 all the time those two monkeys the smallest monkey under his mother's belly 麻烦大家帮我看下这篇短文改错（英语题）Maxim Gorky,he lost father at five,spends his childhood in his grandfather's home.When he was 10,his mother died from illness.His grandfather made him to look for ajob.For 10 years he did all w his mother was .because he did not finish his homework he did not use to give his mother many problems what tom did make his mother angry 怎么翻译 did you have the boy--------(take)to his mother yesterday He's helping his mother ___ . Jim ( ) his sister are ( ) their mother's ( ) is,his,birthday,when,【mother,s】【?】 31.Mike's father,as well as his mother,insisted that he ________ home.A.stayed B.could stay C.has stayed D.stay32.Mr.Smith insisted that he ________ the work all.A.had done B.have done C.did D.so有人说insist过去不虚拟.那答案不是A 英语翻译On December 23,another official-looking package arrived.My father watched stone-faced as Mother unpacked Bob's dress blues.After all this time,why oh why did they—the nameless they—send his dress uniform,I thought bitterly.Silence hun Ben asked mother .‘Where did you buy my cloth Ben asked mother wher--- ---- his cloth 英语翻译：he did all his work right at home who did the man buy the shirt for?for his daughter his wife his mother his son what did you do on Mother's Day las year? All women become like their mother,that is their tragedy.No man does,that's his.恩,中文意思是这样的,但还是理解不了,