Grammar - The Past Simple-Continuous Tense

Не (not to open) the window before classes yesterday.

I (to hurry) to the library when I met him.

She (to translate) a lot of articles at the office last week.

We were smoking in the room when he (to see) us.

We (to pack) our things when our taxi came.

The day before yesterday he (to finish) his work at seven o'clock.

When I cameto the bus stop, I saw a boy who (to play) with a dog.