根据句意提示，写出单词的正确形式。（首字母已给出）
（1）My mother often tells me some s________. They are very funny.
（2）I have nothing to do now. I’m b______ . Can you play games with me?
（3）Tony and Dick are good students at school. They s_______ hard.
（4）Our school has a big p________. We like playing football on it.
（5）W________ skirt is it? It’s Lingling’s.