Past Simple vs Past Continuous

1- We were playing tennis when it _____ (start) to rain.

• starts

• starting

• started

Mum was sleeping when somebody _______(knock) at the door.

• knocks

• knocked

• knocking

3- Emma was doing her homework when her mother _____(enter) the room.

• enters

• entering

• entered

4- Mrs Smith was cleaning the house while her husband ______ (cook) lunch.

• was cooking

• cooks

• cooked

5- When I ______(turn on) the television, our national team was losing

• turn on

• turned on

• was turning on

6- While I ______(study) yesterday morning, Tom dropped by to see me.

• studies

• was studying

• studied

7- When they ________ (ARRIVE) at the station, it was snowing heavily.

• arrived

• arrives

• was arriving

8- We were swimming while David and Peter_____(JOG) by the lake

• jogged

• jog

• were jogging

9-I  was talking with my parents, when the phone______  (RING).

• was ringing

• rang

• rings

Susan cut her finger while she______  (SLICE) the bread.

• slices

• was slicing

• sliced