There is ______ much traffic on the road. Don’t be in ______ a hurry.

This is our __________ Chinese lesson.

__________ big the office is! Is it for Tom?—No, it’s ___________. He shares it with me.

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.

A lot of trees and flowers are on ______ of the river and the number of them is growing ______.