1. 3) your, 5) its
2. 2) am, 3) are, 4) is, 5) is
3. 1) Those books aren't interesting.
2) These rooms are nice.
3) Pass me those boxes.
4. 1) Have you got a pet? У тебя есть питомец?
2) My room is great! It has got blue walls and a red carpet. У меня отличная комната! В ней голубые стены и красный ковер.
3) He's got a brother but he hasn't got a sister. У него есть брат, но нет сестры.
4) Has your sister got a garden? У твоей сестры есть сад?
5) I haven't got a car. I go by bus. У меня нет машины. Я езжу на автобусе.
5. 1) He can swim.
2) Can Kate run fast?
3) They can't play tennis.
6. 1) Don't open the window.
2) Don't be late.
3) Don't write on the board.
7. 1) There are football classes at our school. В нашей школе есть уроки футбола.
2) Is there a gym in your school? В твоей школе есть спортзал?
3) There is no swimming pool in this school. В этой школе нет бассейна.