能力表达can/can't — 英语情景题

补全对话（每空一词）。Kate 和 Ben 在谈论他们能做和不能做的运动。Kate: Hi, Ben! Can you swim? Ben: Yes, I (1)________. I often swim in summer. Kate: Great! (2)________ you skate? Ben: No, I (3)________. It's too hard for me. Kate: I can't skate (4)________. What (5)________ football? Ben: I can play it very well. Let's play together after school!