学帮网There are some policemen in the building.(改为否定句)
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/15 11:02:42
There are some policemen in the building.(改为否定句)
There isn't any policeman in the building.
there aren't any policemen in the building.
收录互联网各类作业题目，免费共享学生作业习题
慧海网手机作业共收录了 千万级 学生作业题目
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/15 11:02:42
There are some policemen in the building.(改为否定句)
There isn't any policeman in the building.
there aren't any policemen in the building.