英文翻译：昨天这个时候,一些学生在植树,一些学生在给小树浇水 老师走进教室的时候,学生们正在谈论当天

Yesterday this time, some students were planting trees; some were watering the young trees when the teacher came into the classroom.Students were talking about ...“他们一直在往墙上贴海报”/'" 学生们正在谈论当天的新闻"怎么说Students were talking about the current news. They were puttingposters on the wall.