’s so cool in the house. You _______have turned on the air-conditioner, haven’t you

．_________the fact that doctors have warned that smoking causes cancer, people still keep on smoking

Why do you look so tired—Your room was and I cleaned it all the morning.

______ some injuries to his face and hands, he broke both legs

Does your brother get up early or late—He used to _________very late， but now he is used to _________ early.