_______ from space, we can find 70% of the surface of the earth _______ by water.
After three years’ study, Jane got a ________ for teaching English.
He was generally _________ to be the finest poet in the land.
A clean environment can help the city bid for the Olympics, ________ in turn will promote its economic development.
That was the first time I _______ there and I was impressed by the friendly people very much.
________ I can see, there is only one way to solve this problem.