a. China A. 
b. Britain B. 
c. America C. 
A. The boys are on the playground.
B. How many students are there in your class?
C. —Is that the lunch room? —Yes, it is.
D. The library is under the music room.
E. —Do you have a computer room? —Yes, we do.
F. This way, please. 
A. —What are these? —They’re tomatoes.
B. Those are horses.
C. —Are those cows? —Yes, they are.
D. —What are those? —They’re hens.
E. —Are these carrots? —Yes, they are.
F. These are green beans. 
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