Ответ:

В ед.ч.

What your friend's favourite film?

What your best friend's favourite color?

Can you name your friend's favourite celebrity?

Во мн.ч.

Do you and your friends are listening to the same music?

What was the last time you and your friends were going out?

Isn't your friends are going to the same school as you are?

Объяснение: