2013
高考英语重庆市一中二轮完形填空天天练（5）及答案 from childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. when humans first 1 , they were like newborn children, unable to use this 2 tool. yet once language developed, the possibilities for human kind‘s future 3 and cultural growth increased.
