on

Mr Black gave us______ on how to learn English well.

The destructive earthquake in Sichuan Province on May 12 rocked and _______ the whole world.

—What do people here do on weekends?—Well, some people like to stay at home, but ____ like to go outside.

An accident _____ on this road last week.

____the best way to travel on Bastille Day?

—You can see Mr. Smith if there is a sign“_____”on the  door of his shop.—Thanks.

- Can you come down a bit?- _____________.They are on sale today.

---I’m engaged! ---__________ on your engagement!

You can,　　　　the sky is clear, see as far as the old temple on top of the mountain, but not today.

How close parents are to their children　　　　a strong influence on the development of the children's character.