Mark Zuckerberg is the founder of the site Facebook , ______ you can have a look at each other’s pictures.
We must keep our room clean. Dirt and disease go _____, you know.
I thought you ____ like something to read, so I have brought you some books.
Every four years athletes from all over the world _____the Olympic Games .
------Did you get a ticket? -------No. I______, but there wasn’t any left.
They have decided to show the children around the small town because the brightly colored houses there appeal _____ children .