He thinks he can do if he his best.
Earth Day_______in 1970 to tell us to protect our planet.
I hope I can do something to support . It’s meaningful and important to save some endangered animals.
We should ________good eating habits.
—Dad,I was the first to reach the top of the hill.—Good job, Mary. I’m_______of you.
As a doctor , you should be patient _______all the patients.