鼹鼠爷爷和鼹鼠奶奶年纪大了,腿脚不方便,森林学校的同学们每个月都会来看望他们,给他们洗衣服、打扫卫生。同学们也十分喜欢到鼹鼠爷爷和鼹鼠奶奶家,因为鼹鼠爷爷讲的故事特别有趣,鼹鼠奶奶做的糕点特别好吃。今天又是同学们看望鼹鼠爷爷和鼹鼠奶奶的日子。同学们在山羊老师的带领下,来到了鼹鼠爷爷奶奶家楼下。在单元门口,山羊老师熟练地输入单元门的密码,可语音提示却说:“密码错误,请重 Mole Grandmother and Mole Grandmother are old and have inconvenient legs and legs. Forest school students come to see them every month, wash their clothes and clean their toilets. Students also like to Mole Grandma and Mole grandmother, because Mole grandfather told the story is particularly interesting, Mole Grandma cakes made particularly delicious. Today is the day my classmates visit Mole Grandma and Mole Grandma. Under the leadership of a goat teacher, the students came downstairs to the Mole grandparents. In the cell door, goat teacher skilled input unit door password, but the voice prompts said: ”password is wrong, please