1 receive (或get) a letter from
2 in the middle of
3 at the back of
4 这句你给的信息有误！是不是Can you tell me something about your school? 如果不是再追问我吧。
5 on the right of
1 How many t-shirts are there
2 There aren' t any computers in our school
3 Is, or （信息不全，你是要变选择疑问句吧？）
4 How much, is
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