Past Simple vs Past Continuous

I _________ (wait) in the queue when the robber came in.

• were waiting

• was waiting

• waited

They _______ (knock) on the door, then they went in.

• were knocking

• knocked

Mark and Theresa ________ (live) in Lithuania for many years. They are living in the Czech Republic now.

• lived

• were living

• have lived

She __________ (not say) anything to my parents.

• didn't say

• didn't said

• wasn't saying

The kids ______ (play) outside while I ______ (cook) dinner.

• were playing / were cooking

• were playing / was cooking

• were playing / cooked

• played / cooked

James _______ (walk) through the forest when the storm ______ (start).

• walked / was starting

• walked / started

• was walking / started

• was walking / was starting

The project _______ (review) by the committee when I _______ (arrive).

• was being reviewed / arrived

• was reviewing / arrived

• was being reviewed / was being arrived

The music band _______ (play) next door, disrupting our peaceful evening.

• was played

• was playing

• was being played

• played

Graham Bell was a scientist who ______ (devote) his life to improving communication systems.

• was being devoted

• is devoted

• devoted

• was devoting

The first battery ______ (invent) by Alessandro Volta in 1800.

• invented

• was inventing

• has been invented

• was invented