Unit 2 Writing--AN EMAIL Writing (25 minutes) : 请前往句酷批改网（http://www.pigai.org）注册后登录作答。 Directions: Suppose you have travelled to a place on holiday. Now write an email to your close friend Bob, to tell him about your holiday or travel experience. Tell him where you have been, how you travelled, what time of year it was, who was with you and what happened. Write about 120 words.