Unit 3 1 Are you OK? 你還好嗎? 2 Bless you. 保重。 3 Thank you. 謝謝你。 4 May I come in? 我可以進來嗎? 5 Come in, please. 請進來。 Nn Tt Uu Vv toy umbrella vest 玩具 雨傘 背心 20