PAST SIMPLE VS PAST CONTINUO

The teacher (explain) ____________________________ the lesson when the lights went out.

The kid (play)_________________________ with a bubble but the dog burst it.

I (not to work) ___________________ last summer, I was unemployed.

(He - to do) ___________________ a good job while he was working in your office?

My father (send)___________________ me a message saying they were enjoying the trip.

'Were they tidying their room?' 'No, they ( start) ______________ doing it after we arrived.'

We (sit) __________________ on the grass when a cricket jumped on Anna.

The documentary was interesting, we learned how people (Live) ___________many centuries ago

You didn't look very happy last holidays, you (to smile - negative form) ______________________ as usual.

Did she arrive on time?' 'Yes, the show (start) as she entered the room.