Помогите, пожалуйста!!!!
Поставьте альтернативные вопросы к следующим предложениям:
1. There are ten students in my group
2. Mario wants to become a single
3. It's already dark outside
4. Betty can play the piano
5. My mother is my best friend
6. She will get this information tomorrow
7. Kate's father is a tall man
8. We met two years ago
9. They have been here for an hour already
10. The parents must give the answer now
11. My brother has a big family
12. Students have to be hard - working
13. My little son has to be very careful with his keys
14. My granny in sixty years old
15. I'd like a glass or cola

are there students in my group?does mario want to become a single?is it already dark outside? can betty play the piano?is my mother my best friend? will she get this information tomorrow? is Kate's father a tall man?did we meet two years ago?have they been here formust the parents givehas my brother a ...have students to be hard