享受奉献带来的( )和( )是人生的一大幸福。

A．快乐荣耀

B．欢喜荣耀

C．欢喜荣誉

D．快乐荣誉

Do you know the stages every inventor must ________ before they can have their invention________ .

A．go through; approve

B．go through; approved

C．get through; approval

D．look through; approved