He realized his mistakes and took action to reduce the loss _________ it was too late.
If you want to be thinner and healthier, you should eat___food and take____exercise.
While Ann ___ TV, her father came home.
At last, Peter made the baby ___ and begin to laugh.
When I got there ,I saw some boys _____ on the playground.
Some scientists think that it may take ______years to make robots look like people, and do the same things as us.