—All the volunteers were very tired, but of them took a rest.—They were busy looking for the missing people.
—________ will you come back from your work, Dad? —In about half an hour, dear.
There _______an important meeting this afternoon. All of you should attend it.
There are three ________ students in their school.
It’s polite ________ the old. We should learn from you.
This basket is ________ than that one. You can carry the light one.