__________ , we'll come to see you again.

Almost all of his time ______ experiments, he has no time to visit his parents.

With trees and grass_____ about 35％ of the urban area，the city of Hefei has taken on a new look.

With exports     an important role in its economic growth now, this province has been affected by the global economic downturn.

Not far from the school there was a garden,         owner seated in it playing chess with his little grandson every afternoon．