I often think of my home town, _______I lived a happy life.
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.
第一节:单项填空(共15小题;每小题1分,满分15分) The government has promised to the matter and will give the workers a satisfactory answer.