4) 1 There is a clock.
2 There is Kiev
3 Kiev is a big city
4 Mary is a girl
5 She is my sister
6 This is a room
7 Is a newspaper in the bag?
8 She is in the room
9 Is a teacher in the classroom
10 Is your room large?
11 My brother is a pupil of the 8th form and he wants to become an engineer
12 Are you students?
13 My friend has children
14 The sportsmen are always in good form
13 The children we saw in the street are schoolboys
5) He does his homework without some difficulty
This year all the apples are red, we are going out this morning to pick some
There weren't any tomatoes left
I won't go with you. I have no time
There aren't any students at the moment
Sorry, I have no matches
Do you have any money?
6) 1 a
2 a
3 c