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A. a          
B. an            
C. some

1. An elephant is h____ than a monkey.
2. T____ right at the first crossing and you can find it on your right.
3. What are you g____ to do this weekend?
4. I am going to take part in the singing c     __.
5. Can I have some w     _  paper?
6. Tom is my p____, and we often write letters to each other.
7. I would like to see B Beijing O__ __.
8.  Liu Tao likes making m__ __ planes.
9. The boys run f____  than the girls.
10. Can you t___ _ me the way to the post office?