I ________ the time when I ________ as a teacher. A. have never forgot / have first worked B. am never forgetting / first work C. will never forget / first worked D. had never forgot / was 78/100I ________ the time when I ________ as a teacher. have never forgot / have first workedam never forgetting / first work will never forget / first workedhad never forgot / was first workingGiải thíchChọn đáp án C