阅读下面短文，然后根据要求完成短文后面的题目。
I have a friend. His name is Jack. He is healthy because (因为) he plays sports. He runs every day. He
runs to his school in the morning and he runs home after school in the afternoon. He can run fast. He likes
playing soccer, volleyball, tennis, basketball, ping-pong and more. He has three soccer balls, two volleyballs,
six tennis rackets, four basketballs and many ping-pong balls. They are in his room. He plays sports with
his friends every day. He likes many sports stars and he often watches them on TV.
1. 根据短文内容完成句子。(每空限填一个单词)
Jack is a ___________, he runs every day and he can run fast.
2. 划线单词them指___________ ___________.
3. 根据短文内容回答问题。
Where are Jack's volleyballs?
________________________________________________________________________
4. 把短文中划线的句子译成汉语。
________________________________________________________________________