语法填空
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
I was born in a small village,         the people lived a simple life. There were five hundred families        total in my village. They concentrated        whether their children could stay        (health). They were         (delight) to be free from the       (pollute) that most big cities were faced with. Although the villagers lacked the         (late) technology, they were content. I studied in a school       (found) in 1964,        was        only school in my village.