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Open the brackets and put the verbs into Past Simple or Past Continuous.

What ________________________ (you/do) when the phone ___________________ (ring)?
Jane __________________________ (to study) when I ________________ (to go) to see her.
The letter ___________________ (to come) while I ____________________ (to have) lunch.
Margaret ___________________ (not to go) to work yesterday because she was ill.
How fast _____________________ (you/drive) when the police ____________ (to stop) you?

What were you doing when the phone rang?

Jane was studying when I went to see her.

The letter came while I was having lunch.

Margaret didn’t go to work yesterday because she was ill.

How fast were you driving when the police stopped you?