课件14张PPT。Unit 4 What colour is it ? Lesson 3大组竞赛游戏:眼疾手快A: Can I help you ? B: Yes. A pen ,please . A: What colour ? B: Blue . It's blue . A: OK. Here you are . B: Thank you . A: Not at all .What's this ?It's a pen .What colour is it ?It's red .It's a red pen .Look and say It's a green car .It's a yellow pencil .It's a black dog .It's an orange ruler .It's a pink card .It's a brown bear .It's a white cat .It's a purple book .It's a blue ball .