We have done much to protect the environment. So the river is getting than before.
—________do you usually do at weekends?— I usually do homework and help my parents with the housework.
Jack is in good_________ , because he eats ________food.
— Oh, I’m hungry. Mum, can I have the hamburger on the plate?— No. It tastes ________.
She wants three ________ and some ________.
The earth(地球) is our home, and we must _____ it clean.