第13期
( ) 1. A. The wheel is a great invention.
B. The computer is a great invention.
C. The wheel is a good invention.
( ) 2. A. I heard that you won a prize for your invention.
B. I heard that you wanted a prize for your invention.
C. I heard that you became famous for your invention.
( ) 3. A. Great inventions change the life and help people live a better life.
B. Great inventions change the world and help people live a better life.
C. Great inventors change the world and help people live a better life.
