Bộ 40 đề thi Tiếng Anh vào 10 có đáp án - Đề 15

He started working as an engineer 5 years ago.

39/40

He started working as an engineer 5 years ago.

He worked as an engineer 5 years ago.

He had worked as an engineer for 5 years.

He didn't work as an engineer any more.

He has worked as an engineer for 5 years.

Giải thích

Đáp án D