- Some students often drop litter carelessly in our school. What can we do?- We can _______ some signs to remind them not to do that again.
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.
There ____ many places of interest in Beijing.
Lily gets up ____ 7 o’clock.