I earn 50 dollars a week, _______ she earns 80 dollars.

---I think it’s going to be an argument.（争论）---Yes, it could be.---I wonder ______we can do .

She had golden hair when she was a child, but_________ she got older and older, her hair went darker and darker.   

           we can’t remove our troubles in life forever, we can leave them behind when we are on vocation.

 Don’t be afraid of asking for help _______ it is needed.