At the top of the mountain,__________ to see the blue sky,the kids made cheerful noises of all kinds.
--I haven’t heard from John for a long time. --What do you suppose to him?
The reporter said that the UFO east to west when he saw it.
Many countries are increasing their use of natural gas, wind and other forms of .
--the American film been shown on TV? --Yes, it shown last week.
Tom isn’t here. He to the library.