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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
My aunt has lived in this town since she ______ to work as an engineer.
A. begin
B. had begun
C. have begun
D. began
My aunt has lived in this town since she ______ to work as an engineer.
A. begin
B. had begun
C. have begun
D. began
Thì hiện tại hoàn thành có dấu hiệu là mệnh đề "SINCE"
S + has/ have + Vpp + since + S + Ved/ v2
S + has/ have + Vpp + since + S + Ved/ v2
Đáp án C.