4.
1. a
2. any
3. a
4. some
5. any
5.
2. No, they aren't. They are going to play football.
3. Yes, they are.
6.
1. She won't go to school at half past eight.
2. I'll make you a cake for your birthday.
3. They'll leave the party at ten o'clock.
4. He won't do his homework after dinner.
5. I'll help her with the housework.
