The man has been in____ doctors describe as a vegetative (植物的) state for six years.
The story is very interesting, and it is _______.
What _______to go swimming in a river in summer!
_______ I made a speech in front of so many people, I felt quite nervous.
______ you look at it, the fast, exciting pace of life in New York city is fascinating and will continue to fascinate more and more people.
______ reduce pollution,the government has made a policy to restrict the use of plastic bags in some areas.