What can't they do　还　 what they cant do?

What can't they do　还　 what they cant do? They can't decide what _______(do). They don‘t know what they can do.(同义句) They don‘t know what what do they do? what do they do they They can't decide what I should do next They do what they can to help others.为什么不是They do what they They aren't to do what they want to do What else can they do?同意句 What can they do at last? what can they do?的意思 同意句:what else can they do?