A pack of wild dogs _______ frightened all the ducks away
Question: A pack of wild dogs _______ frightened all the ducks away.
A. have
B. has
C. have been
D. has been
Question: A pack of wild dogs _______ frightened all the ducks away.
A. have
B. has
C. have been
D. has been
Đáp án: A
Giải thích: A pack of N(s/es) + V(chia số nhiều)
Dịch: Một đàn chó hoang đã làm cả đàn vịt hoảng sợ bỏ chạy.