What can i do it
3个回答

do和it中间少个介词,因为do已经有了宾语what,所以不能再直接跟it.

可以是:What can I do for it?我能为它做什么?

或者是:What can I do about it?我能为此做什么?

或者是:What can I do with/without it?(不)用它我能做什么?