American eat______________ as they actually need every day.
The 2010 Shanghai World Expo is intended to achieve our common goal: ________world that is safer, cleaner and healthier than ________ one we’re living in.
.When _____ if he had seen her, Mattew just shook his head.
Speaking of the songs he has written, I think this is probably his _____ one.
.A small plane crashed into a hillside five miles to the east of the city, _____ all on board.
.- Did you enjoy yourself at the party? - Yes. I’ve never been to _____ one before.