--- Mum,_ __ of the apples _____ gone bad.---- We'd better eat up the as soon as possible.
Everyone of us _____ it’s important _____a seat belt in the car.
–The lights in the classroom are still on. --Sorry. I’ll go and ____.
–What do you do with your daughter while you are away? --Oh, she ___ by her grandparents.
--_____ beautiful music it is!--Yes, ___ it’s very popular among young people.
–What does your grandma often do after supper?--She ___ for a walk.