Даю 60 б., нужно раскрыть скобки и написать 5 типов во Заранее

1.My mum had cooked a cake by 10 o'clock.

Had my mum cooked a cake by 10 o'clock?

Had my mum cooked a cake by 10 or 9 o'clock?

Who had cooked a cake by 10 o' clock?

What had my mum cooked by 10 o'clock?

My mum had cooked a cake by 10 o'clock, hadn't she?

2 My friend flies to Moscow every Sunday.

Does my friend fly to Moscow every Sunday?

Does my friend fly to Moscow or Paris every Sunday?

Who flies to Moscow every Sunday?

When does my friend fly to Moscow?

My friend flies to Moscow every Sunday ,doesn't he?

3 . When I came my mum was dancing.

Was my mum dancing when I came?

Was my mum dancing or singing when I came?

Who was dancing when I came?

What was my mum doing when I came?

When I came my mum was dancing ,wasn't she?