Modal Perfect Neednt Have Vs Didnt Need ToSet 3

1Anna: "I went with him to show him the way. "Jack: "You ..... that. He knows the way."
2Didn$^{'}$t need ..... out of his room in Moscow.
3In the sentence "She needn't have worried about the presentation. It went perfectly, " the modal perfect "needn't have worried" is used to:
4We ..... taken that route; there was a much faster way.
5Oh! The dishes are clean. Thanks! You .....
6I ..... on this thick coat. I was too hot because of that.
7Define the meanings of the Modal Verbs and their equivalents. I needn't have troubled so much.
8Which sentence means:I don't have to do my homework for Friday. (But I did it!!)
9We ..... so much food! Who is going to eat all that?
10He ..... the bus because his brother picked him up at the station.
11If you did something, that wasn't necessary .....
12"Evelyn bought some food for the party."-"She ....., we have plenty."
13Which modal perfect verb form fits best in the sentence: "You needn't have waited ..... for me, I could have walked by myself."
14We have a cleaning lady in our hotel, so you ..... your room before leaving.
15You ..... have bothered coming. I've done it already.
16It seems that I ..... there at all. I ..... myself a lot of trouble.
17I ..... my job. I ..... you before.
18In the end, it wasn't necessary to buy as much bread as I did.
19I ..... an interview because I'd worked there before.
20The last time I crossed the border, I ..... my passport. Nobody was there!
21It turned out that I had been worrying about my job unnecessarily. It was not as difficult as I thought