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in my bag. A. It is B. They are C. Its D. There are 10. How many chairs are there in your classroom? _______ 46. A. They are B. It is C. There are D. These are A A B B C Homework ? 樹上沒有鳥。 There _____ ______ birds in the tree ? 我們學(xué)校有兩間圖書館。 _______ ________ _______ _______ in our school. ? ______ ________a hospital _______ the school? ? Is Li Ling _______ ______ _____ Han Mei? ? ______ ______ a puter and _____ _____ in the house? Thank you