读一读，写一写，在横线上完成正确的短文。
A Ping-pong Game
Guo Yang and Steven 1． (be) good friends. Guo Yang 2． (like) sports very much. He 3． (play) ping-pong very well. Last Sunday, They 4． (go) to a shop to 5． (buy) a new ping-pong ball. Guo Yang 6． (teach) Steven how to play ping-pong. Steven 7． (think) it would be easy. But it 8． (is) difficult, he 9． (play) hard. They10． (have) fun together.
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