阅读下面短文，在空白处填入—个适当的单词或用括号内所给单词的正确形式填空，每空最多三个词。
Every day my grandpa plays chess（象棋）with his friends he loves playing chess very much. Last week, he （come）to visit us in Canada. But he was very sad when he found nobody here could play chess with （he）.
One day, when I came back from school, I found my grandpa was sitting （quiet）in a chair, doing nothing. I knew he was lonely. Why not teach him （play）online chess on my computer? I thought.
"Grandpa, someone is waiting you to play chess. "I went to him and said.
"Really? "he said, his eyes opening wide. "Who? And where? "
I took him to computer in my room and said, "Right here. "Then I taught him how to use the Internet and how to play chess online. At first, he was slow. Having tried several times, he became better and （begin）to play chess with people from around the world.
"How interesting it is! This is fantastic! " he cried excitedly.
Now he is quite good at playing chess online and has made a lot of （friend）on the Internet at the same time. My grandfather is much （happy）than before.
Grandpa will go back home soon. I believe the time when we played online chess together was so great that both of us will never forget.
