问题描述：
用适当的be动词填空 1.Sam----in class six 2the teachers----from China.
i---- a pupil.my sisters----- doctors.-----have you twelve?the water------cold this dog ----hers.mine----over there sally and i------in the same school.it---time for lunch我只等10分钟
i---- a pupil.my sisters----- doctors.-----have you twelve?the water------cold this dog ----hers.mine----over there sally and i------in the same school.it---time for lunch我只等10分钟
问题解答：
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