In order to keep fit, the old man makes it a rule _____ for a walk after supper every day.
---Do you think walking is good to one’s health?---_____________!
_____________start smoking again, she doesn’t go out with people who smoke.
The lady is crazy _________ the beautiful clothes.
---What do you enjoy most in life?---____________ time _________ books. It’s really good fun.
____________the heavy snow in America, many people had to stay at the airport and couldn’t celebrate Cristmas with their family.