we will do what we can ( ) the sick boy A

we will do what we can ( ) the sick boy A What can we do ____ (help) the sick boy?助人为乐啊. We'll do what we _____help the poor.A,can to B,can do C,can we will do what we can to help the poor.是什么语法 what we will do What can we do WHAT CAN WE DO? What can we do for the environment? what can we do on the Internet What can we do with a computer we do (what/that) we will do we should do what we can protect the enviroment