I can do nothing for them except to send them money,为啥不省to?expect前明明有do“当介词but和except前面出现动词do(包括does,did,done等变化形式)时，其后用作宾语不定式通常省略不定式符号to。”书上这样说

Nothing can i do I can do nothing for her,but I can do anything for him! I can do nothing but I can do nothing for you , I am not good at math 谁知道这是什么意思了 Nothing but tears.I can do anyting! There is nothing I can do. Is there ---I can do for you ? A.everything B.something C.anything D. nothing what ----- can i do for you --nothing 用else还是another Mom,what can I do for you?Nothing else.( ) is OK Nothing more I can ask for. I can do for you if you want me to do.A.everything B.anything C.nothing D.none Can I do for you? What can I do for you, sir?Can you lend me some money? Nothing I want a pair of shoes Whatever I can give all I have to you while ,for me ,you can do nothing at all.这句话的中文意思是什么 Maybe there is nothing that i can do There's nothing I can do but to miss you , I can do nothing but lose myself in my world Nothing is the best ,but I can do it bette