2.
1. When did they leave for Moscow?
2. Where does she often buy fruit?
3. Who is working in his office?
4. When will the students take exams?
5. Did she have to get up early?
6. He could read at the age of 5, couldn't he?
4.
1. some
2.something/nothing ((можно и то, и другое)
3. anybody
4. anything
5. any
6. any
5.
I can't read in English.
He has to work at night.
You don't have to cook lunch today.
You must bring the books in time.