History - the study of the events that happened in the past and connected with a particular person or thing.
Geography - the study of the earth’s surface, physical features, divisions, products, population, etc.
Physics – the study of matter and energy and the relationships between them, including forces, heat, light, sound, electricity and the structure of atoms
The Russian language – the study of letters, pronunciation, grammar, and other useful information
Literature - writing works such as novels, plays and poems
Biology – the study of the life and structure of plants and animals
2. Have We lived in Moscow since 1980?
3. Has he changed a lot since he left school?
4. Have we known each other for twenty years?
5. Have I waited a bus for fifty minutes?
6. Have I worked only for 2 days this week?
7. Have you been reading this book since morning?
8. Has she lived there since childhood?
9. How long is it since you last saw Sasha?
10. Have you been reading book for hours?