题干

选择合适的Be动词补充短文。

                    is          are

    This____ our school. There ____ a big playground in our school. There ____a library. There____ many books in it. There ____ two computer rooms. We play computer games there. There ____ thirty classrooms and six teachers' offices. Look! Our teacher is writing. She is busy now.

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答案(点此获取答案解析)

is,is,is,are,are,are