There_____ a hospital in my hometown fifty years ago.
Don’t forget to __________ your school things when you have finished your homework .
of the surface of the earth covered with water.
Johnson was the first on the list of the famous stars because he was the richest ___ them.
______ exciting news it is! Our government is doing something to stop the haze(雾霾).
—_____ —Go up this road to the end. A. Where are we now? B. What are we doing at the supermarket? C. How can I get to the supermarket?