(Viên chức Mầm non) bài tập tiếng Anh theo chủ đề có đáp án - Test 2

Before I went to university, I __________ as a carpenter for about five years.

59/65

Before I went to university, I __________ as a carpenter for about five years.

worked

used to work

have worked

was working

Giải thích

Đáp án đúng là a.