--- What are you going to do next?--- To write a science story about outer space ___ by Science and Technology Press.
—It’s ______ to rain . You’d better take an umbrella . —All right .I’ll take one just _______.
The companies are working together to create ____ they hope will be the best means of transport in the 21st century.
A good story does not necessarily have to have a happy ending , but the readers must not be left ______.
Washington, a state in the United States , was named _____ one of the greatest American presidents.
The English spoken in the United States is only slightly different from ____ spoken in England.