--- What is Li Lei doing?--- He’s buying some bananas in a ______.
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.