Mark the letter A, B, C or B on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
After John (A) eaten dinner, he (B) wrote several (C) letters and (D) went to bed.
A. eaten
B. wrote
C. letters
D. went to
Đáp án A
Thì quá khứ hoàn thành.
Hành động ăn đã diễn ra trước thời điểm viết thư trong quá khứ.
Eaten => had eaten