题目内容：

下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏词符号（ʌ），并在其下面写出该加的词；

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一次；

      2. 只允许修改10出，多者（从第11处起）不计分。

Last Wednesday our class organized a environmental activity whose theme were “Joining Together to Build a Civilized City” in a community. The students divided into three groups. Group 1 went from door to door recycling the using batteries. Not feeling tired, the second group had cleared up the posters and advertisements on the walls as good as the rubbish on the ground. The last group hand out the leaflets of the environmental protection and they also invited the resident（居民）to take part. The locals praised us with our practice and gave us many support.