Read these sentences and choose the correct variant.

1.
I washed the floor when the painter having gone

I washed the floor when the painter had gone

2.
I had know before about the contract they signed

I had known before about the contract they signed

3.
By the time Doris got to the party, everyone had gone home

By the time Doris got to the party, everyone had go home
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The town where i live is not so large and there are not big galleries and museums in it. But we have a good Natural History Museum in our town. Last week I was on an excursion there. First we listened to a lecture on the history of our region which was very interesting. Then a guide showed us the exposition of the museum. We walked throught its halls looking at different stands and exhibits. There was ancient vases and coins, dishes and bowls and tools. The guide told  us about the history and age of this exhibits. There we saw stuffed animals and birds. I like this museum and hs exhibits. In the next year i will go here again.

-Hi!How are you?
-Good,thanks!
-What is your name?
-My name is Anna
- And i am Chris Brown.Nice to meet you.Where are you from?
-i am from Moscow.
-ah!you are Russian!you speak very good English
-I studied in the UK.Then i worked in a British company for three years
-And where are you from,Chris?
-i am from America.I live in California.What are you up to this evening?
-i am not sure yet.Any suggestions?
-Let me take you out for dinner.
-Sounds good!What time do you have in mind?
-How`s 8 o`clock fot you?
-8 is fine.See you soon!
-see ya!