一般疑问句的肯定与否定回答 — 英语情景题

情景对话：Lily 和 Sam 在操场上聊天，谈论各自会做的事情。请补全对话，每空一词。 Lily: Sam, can you swim? Sam: (1)____, I can. I swim every Saturday. Lily: Great! Can you dance? Sam: No, I (2)____. I can't dance at all. Lily: Can I ask you one more question? (3)____ your sister cook? Sam: Yes, she (4)____. She cooks very well.