---- David, look at the man in white over there.Can you tell me _______ ? ----He is a doctor.
My English teacher is very good. She is like my mother ______ me.
Peter usually goes to school by ______ bus.
—What time do you take a walk in the morning? —______.
We need to ______ after eating to have good teeth.
I like the beef soup because it ______ nice.