1)comple the conversations.use one word. 1.a: you look tired.can i carry your bag for you? b: thank you.that's very you. 2.a: thank you for all your help. b: you' 3.a: can you help me with my homework? b: sure. 4.a: here's your umbrella,sir. b: thanks 5.a: you've worked very hard today.thank you. b: that''ve enjoyed it.