1. a) We listened to the girls singing Russian folk songs.
b) We listened to the Russian folk songs sung by the girls.
2. a) The girl washing the floor is my sister.
b)The floor washed by Helen looked very clean.
3. a) Who is that boy doing his homework?
b) The exercise done by the pupils were easy.
4. a) The house surrounded by tall trees is very beautiful.
b) The wall surrounding the house was very high.
5. a) The girl writing is our best pupil.
b) Everything written here is quite right.
6. a) Read the translated sentences one more.
b) The pupils translating a very difficult text are tired.
There are 4 fantastic seasons in my hometown, that time I can do many activities For instance, in spring the weather is usually warm and sometimes cool. Also we celebrate many holidays such as Women's Day and Navruz. In addition to this we excited to eat strawberries, apricots, cherries and such kinds of fruits. When we talk about Autumn, it is cool and snow, sometimes fall and during this days people can play football, jump a rope, play different games and so on. Because of it is a harvest time you ought to taste grapes, watermelons, melons, cabbages and etc. In my favourite season, in particular in winter, it is cold, rain often pours and never hot. At the end of December we celebrate New Year's Day and get presents from our relatives. I should mention that in winter i like playing snowballs, skiing, skating with my close friends
4.2
1. for
2. at
3. to
4. in
4.4
1. ago
2. in front of
3. till
4. to или for неуверенна
4.3
1. in front of
2. to USA
3. at (maybe)
4. to seaside
I think i am right