Past simple vs. past continuous

What _______________ yesterday at 07:00 p.m.?

• did you do

• were you doing

Yesterday at 07:00 p.m. I ____________________ TV.

• was watching

• watched

Jane was having a a shower when the telephone __________________.

• was ringing

• rang

While his parents were sitting in the living room, Peter _________________ for his test.

• was studying

• studied

The children __________________ the sentences while the teacher was correcting their homeworks.

• copied

• were copying

They were walking in the park when it suddenly _____________________ to rain.

• started

• was starting

Peter was listening to his new CD when somebody ____________________ on the door.

• was knocking

• knocked

They were swimming in the sea when a storm __________________ out.

• was breaking

• broke

While mum ____________________, dad was reading the newspaper.

• was cooking

• cooked

He ___________________ in the mountains when he fell and injured his leg.

• skied

• was skiing