. 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
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.