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Teacher: What is this? Student: It is a desk. Teacher: What is that? Student: It is chair. Teacher: What are these? Student: They are books. Teacher: What are those? Student: They are pencils. 老师：这是什么? 学生：这是一张课桌。 老师：那是什么? 学生：这是一把椅子。 老师：这是什么? 学生：他们是书。 老师：那是什么? 学生：他们是铅笔。 | 
