An explosion blew the roof off an unstable reactor north of Tokyo, ____ fears of a disaster at a nuclear plant ____ in the massive earthquake that hit Japan.
We walked ____ the Tian An Men Square to the Museum of Chinese History.
The plane flew ____ the city.
1 heard ____ the book long ago, but I have never read it.
Do you often hear____ your brother?
Finally they agreed ____ the terms of the contract.