3 Complete the dialogue with the comparative form of the adjective. Tom: Let's go swimming in the lake. The water today is hotter (hot) than yesterday. Lucas: No. Let's go kayaking. It's ______ (exciting) than swimming. Tom: OK. Let's get a kayak for two. Two people are ______ (fast) than one person. Lucas: OK. And my arms are ______ (long) than your arms so I can help you. Tom: What? That's not true! My arms aren't ______ (short) than yours! Lucas: Yes, they are. And I'm a ______ (good) swimmer than you. Tom: No, you aren't. You are a ______ (bad) swimmer than me!