– Listen ! Is Professor Johnson giving a report in the hall?– No, it _______ be him. He has gone to America.
The workers have worked for ten hours. They want to stop a rest.
When he arrives at the bus stop, the bus for 20 minutes.
—How long have you this book?—For three days.
They_ _ the games for the first time.
—What a good _____ _ you’ve given me! Thanks a lot.—My pleasure.