Hỏi: Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then.

Hỏi:
Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then.
A. was-hadn’t had
B. was-hasn’t had
C. had been-didn’t have
D. had been-wouldn’t have

B là đáp án đúng
Lời giải:
Vế trước có “ago” nên động từ chia thời quá khứ, vế sau có “since” nên động từ chia thời hiện tại hoàn thành.