Auxiliary verbs - past

Exercise 1: was - did - had

01.- Alice wash the dishes.

02.- they eaten dinner?

03.- My father lost his keys.

04.- your bag stolen in Athens?

05.- Many people waiting for the bus.

06.- the postman ring the door-bell?

07.- The train left an hour ago.

08.- What they studying?

09.- My mother checking the oil.

10.- I been there once before.

11.- He clean the kitchen last night.

12.- A monkey sitting on my car.