阅读下面短文，在空白处填入—个适当的词，或填入括号中所给单词的正确形式。
{#blank#}1{#/blank#} (I) name is Peter. I{#blank#}2{#/blank#} in Class Three. I like sports. I play sports
every day. I can play tennis, basketball and volleyball.{#blank#}3{#/blank#}I can't play ping pong. Ping pong is
difficult {#blank#}4{#/blank#}me. My sister
Anna is{#blank#}5{#/blank#} Class One, She {#blank#}6{#/blank#} (like) sports, too. She can play volleyball, tennis
and ping-pong. And she plays ping pong {#blank#}7{#/blank#} (good). But she can't play basketball, Anna and
I have some sports{#blank#}8{#/blank#}(thing).
Anna{#blank#}9{#/blank#} (have) 6 tennis balls. 7 volleyballs and 10
ping pong balls. I have 4 volleyballs, 8 tennis balls and 9 {#blank#}10{#/blank#} (basketball),
