In the following events, the certain event is~\uline{~~~~~~~~~~}~. 
Overseas Competition->Knowledge Point->Counting Modules->Statistics and Probability
$$\text{A}$$. "Ame will get $100$ points in the final math exam" is a random event.  $$\text{B}$$. "Claire will eat breakfast tomorrow." is a random event.  $$\text{C}$$. "The news is on when you open the TV" is a random event.  $$\text{D}$$. There are two red balls and one white ball in a bag. If two balls are taken out, one must be red. It is a certain event.  So $$\text{D}$$ is the answer. 