【正文】
e went to her teacher for help. Mary: Mrs Smith, there is a color in each of these sentences. What do they mean? Mrs Smith: In everyday English, Mary , blue sometimes means sad. Yellow means afraid. A person with a green thumb grows plants well. And a white lie is not a bad one. Mary: Would you give me an example for a white lie? Mrs Smith: Certainly. Now I give you some cake. In fact you don’t like it, but you won’t say it. Instead, you say, “No, thanks, I’m hungry.” That’s a white lie. Mary: Oh, I see. Thank you very much.. 16. Blue sometimes means sad and is ________ English.” A. good B. spoken C. poor D. useful 17. I don’t have a green thumb , so all my plants _________. A. die off B. grow well C. look nice D. are good 18. Tom is _______ to