She is a doctor.Her mother is a doctor,________.
— Do you like this MP3 player, Tom?— Yes. It can play beautiful music, ______ it’s very expensive.
The earth is our home. I hope there will be more trees and ____ pollution.
The teacher is ______ Tony, because he often sleeps in class.
If you go to the party, you ________ a great time.
Please put some yogurt and honey in the bowl and _______ when you make banana milk shake.