Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

I was having a black cat three years ago but now it is no longer with me.

• A. A. was having
• B. B. three years
• C. C. but
• D. D. is

three years ago và now là 2 mốc thời gian, hành động xảy ra có mốc thời gian cụ thể => chia ở thì đơn
Câu đúng: I had a black cat three years ago but now it is no longer with me