Complete the sentences with didn’t need to / didn’t have to or needn’t have and verb. 6) She ___________ so much before the exam. She passed it very successfully. 7) When I came to the office on Sunday to prepare the papers for tomorrow’s meeting, I discovered that the secretary had already prepared them. I ______________. 8) You ____________ the rules in so much detail. The students know them already. 9) Thank you for buying the book for me. But you _________ the money: I could have taken it in the library. 10) He ______________ early, but it was a beautiful morning, so he did.