____ old man behind Tom is _____ university teacher.
—The number of the tigers is getting __________. —I agree _______ you.
Millie was watching TV ________ Andy came into the room.
—What do you call these animals?—We call them kangaroos. The structure of sentence is .
Wolves will _________ their lives _________ the loss of the trees and forests.
She is a ________girl,and she does everything________.