作业帮He has been running since l came.
He has been running since l came.
It has been 3 years since he came here.
He has been in power ten years since he came to power.
Our P.E teacher has been at this school since he came.（划线提问）
Jim ____ here since he came here.A.has been working B.works
he has been in english since last
Lucy has been cleaning the house since came back home.
The work has been finished since they came here
He has taught here since he came here.一句中对"since he came her
he has c___ a lot since he came here
he came running here
Professor Liu has ________ teach psychology since he came to