____of the land in that district ____covered with trees and grass.

--- Look, this pair of shoes            beautiful, right?--- Yes. But they don’t fit me            .

Miss Han, _________ her two sons, speaks good Chinese. They often talk in Chinese.

Every possible means _____ to prevent the air pollution, but the sky is still not clear. 

One third of our school _________ covered by trees, while the majority of our students ________ girls.