he has been working there ( ) 1998.

he has been working there ( ) 1998. he has been working on the paper. He has been working there for three years是啥意思?好的我天天顶 He has been working here.为什么要用working? he has been there _twice____. He has been there for__ He has never been there.英译汉 He has been there for six months. He has been there for six months He has been working the whole moring and he still___ A.does He has been working for more than 5 hours．________ he is so he has been there [twice]就划线部分提问【 】he been there