Complete the interrogative sentences in past continuous with correct words.

Choose the correct option.

[She was working|Was working she|Was she working] yesterday at 10 o'clock?

[What you were doing|What were you doing|Were what you doing] when the power went out?

[Were cooking you|Were you cooking|You were cooking] dinner or ordering takeout at 7 o'clock last night?

They were waiting for me for two hours, [weren't they|wasn't they|were they]?