As is known to us all, the opening ceremony of the Shanghai World Expo, ____ theme is “Better City, Better Life”, will begin on May 1st, 2010.
We arrived at the station ____ the train had left.
___he daydreamed, Peter saw figures in the sky.
____ to New York, her father has not heard from her.
It looks ____ it's going to rain.
I thought he hated the TV .You are right,____ he still watches the program.