He worked on it for five years.对for five years提问

He worked on it for five years.对for five years提问 We have been good friends for five years对for five years 划线提问 he has learned english for five years.(for five years)对划线部分提 for five years 中文 He has been for five years. ( )He ____ in Shanghai for five years. Tom has worked in a office for about five years. He worked here for ten years.(对 for ten years提问） A Roadmap for Five Years I've been collecing them for five years对画线部分提问!画线的是for five He English for five years before he came here he has learned maths (for five years).就画线部分提问