Знает кто что это за учебник?(Класс,автор и т.д.)

My most favorite place in the city of Volzhsky is a park of culture and rest. Over the whole area of ​​the park of culture and rest in Volzhsky, over 3000 different bushes and trees have been planted, among which there are firs, pines, birches and chestnuts. There are 10 amusement rides around the park, and recently their number has slightly increased.

The main alley of the park along the perimeter is dotted with a lot of fountains, as well as snow-white sculptures in the style of socialist realism - the figures reflect the working class of Soviet times.

In the park of culture and recreation in Volzhsky also there are variety platforms, on which annual festive events and performances take place. Two years ago on the main avenue of the park was installed a real chess board with figures in an increased size - periodically in the park there are chess tournaments among tourists. The symbol of the park of culture and rest in the city of Volzhsky was a rotunda - a round gazebo in antique style, framed on the perimeter by columns and crowned with a dome. Another notable object recently became the protein Dasha, living in an aviary near the administrative building of the park.

1) I can't go with you, as I not ended my work
2) are already have a lunch? - no more.
3)I translated this article and I can translate any sentence from English to Russian.
4)is dad is in home? - no, he didn't already come
5)I just met my best friend
6)was you already translate an article? - no more. I translated just a half of article.
7)do you was in library? - no more. I'll go there after lessons.
8)I just talked with him. I think, he's wrong.
9)I looked at a few translated books, but no interesting I didn't chose for reading.
10)is it hard to translate this article? - I don't know, I haven't translate it.
11)he wrote, that from September will good weather.
12)Let's go to the theatre this week. We we're not there for eternity.
13)Do you know, that they are friends from baby age?
14)how much time did you there? - I'm here from the morning.
15)- hello, Anna! I didn't see you very long. - Yes, we haven' t seen since I graduated from school.
16)where did you buy this book? - I haven't buy it. It's a gift.
17)how long did you know Peter? - I have know him from the childhood.
18) will you go to dining room? - no, thanks, I just had a breakfast