英语翻译①他们已经工作两个小时了②自从6点起他们就一直在跑since③自从4岁起我们就一直在学英语.④我学英语已经学了4年半了⑤雨下了多久了用it作主语⑥他渚在长沙有14年了⑦

Question

英语翻译
①他们已经工作两个小时了
②自从6点起他们就一直在跑【since】
③自从4岁起我们就一直在学英语.
④我学英语已经学了4年半了
⑤雨下了多久了【用it作主语】
⑥他渚在长沙有14年了
⑦我今天一上午都在打扫房间
⑧她已经滑冰滑了整整5小时了
⑨我自从6年半前就一直学科学

Answer 1

They have been working for two hours.
They have been running since 6 o'clock.
I have been learning English since I was four years old.
I have been learning English four years.
How long has it been raining?
He has been living in Changsha for 14 years
She has been skating for 5 hours.
I have been learning science before six and a half years.