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

Susan __________ as a nurse for 3 years before her marriage.

58/65

Susan __________ as a nurse for 3 years before her marriage.

has worked

has been working

worked

was working

Giải thích

Đáp án đúng là c