We work together to achieve our common purpose: ________ world that is safer, cleaner and healthier than ________ one we are living in.
--Did you go on vacation?--No,I stayed at home.
Which one is ________ , football,baseball or basketball?
---_______do you have an art festival in your school? ---Once a year.
–Can I ask you _________questions? – Sure.
On the eve of Christmas, children usually ______ their stockings at the end of the beds.A. put away B. put on C. put up