by 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.
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Đáp án: A
Giải thích: cấu trúc need have p2: lẽ ra cần làm gì
Dịch: Bạn lẽ ra không cần mở một tài khoản ngân hàng
