I thought that it was unnecessary to buy an online ticket, but I was wrong. A. I should have bought an online ticket. B. I must have bought an online ticket. C. I needn’t have bought an on

I thought that it was unnecessary to buy an online ticket, but I was wrong.

A. I should have bought an online ticket.
B. I must have bought an online ticket.
C. I needn’t have bought an online ticket.
D. I can’t have bought an online ticket.

Trả lời

Chọn A

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