HE STARTED WORKING AS AN ENGINEER 5 YREAS AGO.A. HE WORKED AS AN E...

34. - KIEM TRA 1 TIET - SO 1- HK1
KIEM TRA 1 TIET - SO 1- HK1
34. He started working as an engineer 5 yreas ago.A. He worked as an engineer 5 years ago B. He had worked as an engineer for 5 years.C. He didn’t worked as an engineer any more. D. He has worked as an engineer for 5 years.