When her husband was in the army, Mary ______ to him twice a week.
A. was reading
B. wrote
C. was written
D. had written
Đáp án đúng: B
When her husband was in the army => QKĐ
Mary viết thư cho anh ấy 2 lần 1 tuần => QKĐ
-> B
Số bình luận về đáp án: 1