______the morning of September 8th, many visitors arrived _______the train station for an hour.
I try to eat junk food only once a month _____ I love it.
_______ homework, we do their homework on Sunday.
---How often are the Olympic Games held? ---_____four years.
The ice isn’t ______________ to skate on.
---Are you going to ____________ your friends to your party? ---Yes, sure.