. I prefer_____shopping_____at home.
Stop smoking, ________ your health will get worse soon.
________ dog is ________ useful animal and ________ honest friend as well.
The garbage too much space .A. takes away B.takes off C. takes up
We should do everything we can the environment .A. to protect B. protect C. protecting
______of the earth ______ covered by water.A. Two thirds; is B. Two thirds; are C. One thirds; is