阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。

    Mr. Smith is 60, but he  (look) young. He has two children. One  a son and the other is a daughter. Mr. Smith has 12 tennis rackets, 8 baseballs, 6 (basketball), 10 soccer balls and 16 volleyballs. he never plays sports. He only (watch) them. His son, Peter, likes soccer. He  (play) soccer his friends every day. And (he) daughter, Cindy, likes volleyball. But she doesn't play. She only watches volleyball  (game) on TV.