Hundereds of years ago,life was muc harder

Hundereds of years ago,life was muc harder zhe first aniinsects were mals to live on land ,more than ( )years agoa.four hundereds million b.four hundred million c.four hundredmillions d.four hundred millions of tens to hundereds of thousand of dollars 是几万至十几万美元的意思吗? a score of years ago意思 Years of 英语翻译that happened a couple of years of years ago.这里的a couple of years 是不是指多年啊 而不是指两年? 求翻译Age is the acceptance of a term of years.But maturity is the glory of years. 600 years' history 和 a history of 600 years有什么区别吗? After years of war,people long for a lasting p________. Chinese has a history of five thousand years. a couple of years couple 不是一对夫妇? “A couple of years”到底是指几年? A line of words recording memory light-years A line of words recording memory light-years away Our school has a history of 80 years.保持句意Our school has a history of 80 years.=Our school ____ 80 years _____. Half of the workers here are under twenty __B__ A.years old B.years of age 为什么选B 英语那个表述可以啊five thousand years of history a history of five thousand years 那个表达 准确? scent of years英译汉