Complete the examples from the text on the page 54

The didn't flow to Athens last week. Did they flow to Athens last week?

Our teacher did not tell us about animals at the last lesson. Did our teacher tell us about animals at the last lesson?

The children were not at zoo last Sunday. Were the children at zoo last Sunday?

I didn't meet him many years ago. Did I meet him many years ago?

You didn't speak to her yesterday. Did you speak to her yesterday?

We were not very tired yesterday. Were we very tired yesterday?

Henry didn't buy this bike a year ago. Did Henry buy this bike a year ago?

Our lesson didn't begin fifteen minutes ago. Did our lesson begin fifteen minutes ago?

Helen didn't forget about the meeting. Did Helen forget about the meeting?

We didn't see the UFO in the sky. Did we see the UFO in the sky?

Объяснение:

1. Anna greeted Peter and asked him where he had been.She said that she had rung him up
2.He replied that he had been in Astana and he had come back the previous evening. 
3.Anna wondered how he had liked the city.
4.Peter said that it was wonderfu
5.Anna asked him if he had had enough time to go sightseeing. 
6.He said that he had had enough and added that there were so many places of interest in Astana 
7.   and he could see many of them
8.Anna replied that she was  glad to hear it and asked him where he had lived here.
9 Peter said that he had lived in a hotel and added that it had been very comfortable.
Peter apologized and said that he had to go.

P.s. 6 и 7 реплики нужно объединить,иначе теряется смысл.