Can you see many flowers on _________sides of the road?
It’s very late at night, ____ our teacher is still working .
--- ______ you give your seat to this old man? --- Of course.
My mother has two brothers. One is a doctor, ____ is a lawyer.
The price of the bus ticket is much ____ than before.
--- ______ helped the poor cat find its home?--- My best friend, Mary.