Our classroom by us every day!
________ 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
If we travel a short distance, we had better walk taking a bus.A. instead B.instead of C. take the place of