Edward booked the tickets without asking us first. It was wrong of him to do so.

230/235

Before asking us, Edward should have booked the tickets.

Edward need not have asked us before he booked the tickets.

Edward booked the tickets after he had asked us about them.

Edward oughtn’t to have booked the tickets without asking us first.

Giải thích

Giải chi tiết:

Oughtn’t to have + PII: đáng lẽ ra không nên làm gì

Tạm dịch:

Edward đã đặt vé mà không hỏi chúng tôi trước. Anh ấy đã sai khi làm như vậy.

Đáp án cần chọn là: D