1编号：3233题型：单选题测试正确率：61.1%
There ______ a teaching building and a playground in our school.
2编号：3028题型：单选题测试正确率：73.0%
There____ a teacher and five students in the classroom.
3编号：3027题型：单选题测试正确率：66.36%
There ____ no water in the river.
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