Lucy and lily are twins. They are in the same class. They have a nice big classroom. The windows are big and the walls are white. There is a big black-board on the front wall of the room. There is a big brown table in the front of the classroom， It is for our teachers. There is a map of China and a map of the world on the wall. There are fifty desks and chairs in the room. They're for our students. There are twenty-eight boys and twenty—two girls in our class. We all study hard. There are some flowers on the teacher's desk. They're for our math teacher. Miss Li. She is a good teacher and we all like her.
(1). Is the twin's classroom big or small?
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(2). How many girls are there in their class?
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(3). Where are the flowers?
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(4). Who's their math teacher?
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(5). What's on the wall?
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