Complete the sentences with didn't need to/didn't have to or needn't have and any verb in the appropriate form that makes the sentence meaningful

Complete the sentences with didn't need to/didn't have to or needn't have and any verb in the appropriate form that makes the sentence meaningful

Дополните предложения грамматической структурой didn't need to/didn't have to или nееdn't have и любым подходящим по смыслу глаголом в нужной форме,

1) "How much did you pay for the yesterday performance?" –  have to pay: ______I was given an invitation".

2) I bought the fruit, but when I came home I discovered that my wife had already bought them. I________ them.

3) My employer is very upset. He spent the whole morning on installing new surveillance because the old one didn't work. But when he took down the old equipment, he saw that the cable was simply disconnected. He _______ wasted so much money and time on the new equipment.

4) You ______ cooked the dinner because I have made soup. It is in the fridge.

5) How nice that I installed a new program on my computer last week! I _______ to install it yesterday evening to make the Excel tables in a new format.

6) Thank you for writing the instructions about what's wrong with my car. I _______ to explain the problem to the mechanics when I took the car to the service station.

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 _____ to explain the rules in so much detail The students know them already.

9) Thank you for buying the book for me. But you_______ the money: could have taken it in the library.

10) Thank you for buying the book for me! I _____ to go to the library yesterday!