Tony is ______ than his father, though he is only eleven years old.

In order to support the big family, he worked so hard that_______ he made himself ill

What ____ he ____ after finishing his homework last week

With trees and grass ______39.6% of the urban area,the city of Weifang has taken on a new look.[ ]

22．I’m terribly sorry to turn you down this time, but I promise I will ________ to you next time.