Look, Sue is over there. — That ____ be her. She is in Canada now.

Do you mind telling us something about this area?— Not at all. ________ of the land in this area _________ covered with trees and grass.

Though I live in the village ________, I don’t feel ________.

You look unhappy， my son?—I’m wondering how long it’ll be we come to China again.

His grandfather ________ for seven years.