Work hard or you will __________by someone else. [ ]

Can you tell me ________

The number of wild lions in Africa (非洲) no more than 15,000 in the year 2010.— Like tigers, they are really in danger of dying out, too.

ver you want a good meal , come to my restaurantand eat for free—Believe me , that is an ____ I will not refuse

It is ten years since we _______ each other last time.