PS: (FOR TEACHERS)选修7 Unit 4 Sharing- Reading A LETTER HOMEDear Rosemary,Thanks for your letter, which took a fortnight to arrive. It was wonderful to hear from you. I know you're dying to hear all about my life here, so I've included some photos which will help you picture the places I talk about.You asked about my high school. Well, it's a bush school – the classrooms are made of bamboo and