Past simple vs. past continuous

1. The children (play) in the park when it (start to rain).

• played / started to rain

• were playing / were starting to rain

• were playing / started to rain

• played / was strting to rain

2. I (watch) a movie when I (notice) him standing outside.

• was watching / noticed

• watched / noticed

• was watching / was noticing

• watched / was noticing

3. She arrived when I (have) a bath, so I couldn't answer the door!

• was having

• had

• were having

• has had

I (see) a famous celebrity when I (shop) on Oxford Street yesterday.

• was seeing / was shopping

• saw / shopped

• saw / was shopping

• was seeing / shopped

As soon as I (start) the car I (realise) that something was wrong with the engine

• started / realised

• was starting / was realising

• was starting / realised

• started / was realising

As soon as we (get) out the car, it (start) raining.

• were getting / was starting

• got / started

• got / was starting

• were getting / started

I ( study) while he (make) dinner.

• was studying / was making

• studied / was making

• studied / made

• was studying/ made

When I (walk) into the office, several people (type) busily.

• was walking/ were typing

• walked / were typing

• walked / typed

• was walking / typed

While I ( study), she (come in).

• was studying / was coming in

• studied / came in

• was studying / came in

• studied / was coming in