It was wrong of you to leave the book on the bus. A. There must be a mistake when you are on the bus.

40/40

It was wrong of you to leave the book on the bus.

There must be a mistake when you are on the bus.

You shouldn't have left the book on the bus.

The book must be lost on the bus.

You needn't have left the book on the bus.

Giải thích

Đáp án đúng: B

Giải thích: shouldn’t have Ved/ V3: đáng lẽ ra không nên

must be: chắc có lẽ

needn’t have Ved/ V3: đáng lẽ ra không cần

Dịch: Bạn đáng lẽ ra không nên để sách trên xe buýt.