It is regretful that they destroyed the oldest building. A. they wouldn't have destroyed

47/50

It is regretful that they destroyed the oldest building.

they wouldn't have destroyed the oldest building.

they shouldn't have destroyed the oldest building.

they couldn't have destroyed the oldest building.

they can't have destroyed the oldest building.

Giải thích

Chọn đáp án B

"Điều hối tiếc là họ đã phát hủy tòa nhà cổ nhất." Họ đáng lẽ ra không nên phá hủy tòa nhà cổ nhất."

Cấu trúc: shouldn't have PP: lẽ ra đã không nên làm gì