You needn’t have opened a bank account. A. It was unnecessary to open a bank account but you did. B. You had already opened a bank account yourself. C. You needed to have your bank account opened. D. A bank account is essential for you.

Đáp án : A

`->` tobe+ unnecessary+ to Vinf: không cần thiết để làm việc gì

`->` needn’t have PII: lẽ ra không cần làm gì

You needn’t have opened a bank account.

A. It was unnecessary to open a bank account but you did.

B. You had already opened a bank account yourself.

C. You needed to have your bank account opened.

D. A bank account is essential for you.

=> CT: need have p2: lẽ ra cần làm gì => câu này dùng needn't have p2 -> nghĩa là không cần làm gì

=> CT: S+ tobe+ unnecessary+ to Vinf: không cần thiết để làm việc gì

Dịch: Không cần thiết phải mở tài khoản ngân hàng nhưng bạn đã làm được.