________five years since we began learning English.(如果有it ha

It is five years since we began learning English it is five years since we began learing English 为什么是it was it is five years since we began learing English 为什么不是it was it ( is )six years since he ( began )to learn english It ___about three years since Dean began to learn English It ( ) seven years since he began to teach English here. it is two years since I started learning English We have been learning English since we were 10years old 对划线部 Two years (has) passed since we began studying English 请问为何不 It's over three years since I began to learn English.此处的over It has been six years since I began to study English. 怎么翻译? It is five years since we began to enjoy a ten-day spring ho