请问这句话有语法上活时态上的错误吗?At the ceremony of your school's 100th anniversary,we should also celebrate the achievement that china has gained in the past 20 years.200 million persons have get rid of poverty; the yearly per capita economic growth rate has reached 7 percent to 8 percent; average life expectancy has heightened 10 years.
问题描述：
请问这句话有语法上活时态上的错误吗?
At the ceremony of your school's 100th anniversary,we should also celebrate the achievement that china has gained in the past 20 years.200 million persons have get rid of poverty; the yearly per capita economic growth rate has reached 7 percent to 8 percent; average life expectancy has heightened 10 years.
答
没问题,要用到现在完成时的时候是当一个动词发生在过去,却对现在又影响.翻译成中文时多带有“已经”字样.