Вставьте am, is, are в следующих предложениях: 1. i … not three years old. 2. this suitcase … very heavy. 3. the dog … asleep. 4. they …students. 5. i .. hot. open the window, please 6. ann … at home but her children … at school. 7. the exam … not difficult. решить

1. I am not three years old.
2. This suitcase is very heavy.
3. The dog is asleep.
4. They are students.
5. I am hot. Open the window, please.
6. Ann is at home but her chidren are at school.
7. The exam is not difficult.