阅读下列人物介绍，请根据 Harry、Tony 和 Alice 的喜好和需求帮他们找到合适的笔友，并将所对应的A、B、C选项填在相应位置上。
| A. Adisa | Hello, my name is Adisa. My home is in Nigeria. That's in Africa! My house isn't big. Near my house is a river. I can swim, but my favourite sport is basketball. I often go to watch basketball matches after school. What is your favourite sport? |
| B. Olivia | Hi, my name's Olivia. I'm ten and I'm from Castleton in England. Look at the picture. that girl is me and two boys are my brothers, Carl and Brian. My brothers like sports, but I love drawing. Our home is in the mountains (山). I enjoy the life here. |
| C. Luke and Alex | Hello, we're Luke and Alex. We're classmates! We're from Toronto in Canada. Our favourite thing to do is skateboarding (滑板) and we are good at it. We go skateboarding after school every day. What is your favourite thing to do in your free time? |
| Harry | I often watch basketball matches on TV. I can share my ideas with _21______. |
| Tony | Skateboarding is difficult for me, but I like it. I can ask ____22____ for help. |
| Alice | I want to know how to live in the mountains. I can talk about it with __23______. |
答案解析：
21. Harry 喜欢看篮球比赛，而 Adisa 也喜欢篮球并且经常去看篮球比赛，所以他们可以分享关于篮球的看法和兴趣。因此，Harry 的合适笔友是 A (Adisa)。
22.Tony 对滑板感到困难但喜欢它，而 Luke 和 Alex擅长滑板并且每天都去滑板，所以他们可以给 Tony 提供帮助和技巧。因此，Tony 的合适笔友是 C (Luke and Alex)。
23.Alice 想知道如何在山区生活，而 Olivia 住在山区并且享受那里的生活，所以她们可以讨论山区生活的细节。因此，Alice 的合适笔友是 B (Olivia)。
