What (was / were / did) the last book you read?
What was the last book you read?
Were all your friends at school on Monday?
(Was / Were / Did) all your friends at school on Monday?
(Was / Were / Did) you watch a film last night?
Did you watch a film last night?
Where (was / were / did) you go on your last family holiday?
Where did you go on your last family holiday?
What (was / were / did) you do at the weekend?
What did you do at the weekend?
(Was / Were / Did) you do any homework yesterday?
Did you do any homework yesterday?