_____we move the couch over there? Don’t you think the room will look larger?
—I need some fresh air, so I’m going out for a walk. — _________.
The teacher was angry about his being late for class, but he behaved ______ nothing had happened.
Candidates ______ remain in their seats until all the papers have been collected.
—Excuse me, Dad, but I’m going to the club to meet my friends in the football team. —OK. ______
His ears are highly ___ to any unusual sound in the machine, that is how he found the fault.