問題詳情
5. Last month, I visited my homeroom teacher in junior high and was surprised to know she ________for 20 years and prepared to retire from school, but she still looked so young and energetic.
(A) has taught
(B) has been taught
(C) had been taught
(D) had taught
(A) has taught
(B) has been taught
(C) had been taught
(D) had taught
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
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