Поставьте альтернативные вопросы к следующим предложениям. 1)there are ten student in my group 2)mario wants to become a singer 3) it's already dark outside 4)betty can play the piano 5)my mother is my best friends

1) Are there five or ten student in my group?

2) Does Mario want to become a singer or a doctor?

3) Is it already dark or light outside?

4) Can Betty play the piano or the guitar?

5) Is my mother or my father my best friend?