PAST SIMPLE VS PAST CONTINUOUS

a.-Albert Eisnten__________ the law of relativity.

• was discovering

• discovered

• discovering

Janina and Peter were playing hide-and-seek when mom_______

• was arriving

• arriving

• arrived

While Jessica___________________, I cleaned the house.

• were cooking

• was cooking

• cooking

• cooked

When I was I chid I ____________ a little chicken as a pet.

• was having

• having

• had

I_______________ him since high school.

• was knowing

• knowed

• knew

• were knowing

Junior________________(take)a shower when the bell _______________(ring).

• took - was ringing

• was taking- was ringing

• was taking - rang

Anna Frank___________________ her diary in 1945.

• was finishing

• finishing

• finished

He_______ (break) his leg when He___________(ski)

• was breaking- skiing

• break- sky

• broke- was skiing

• breaking-skiing

I _________________ (watch)a documentary on tv when suddenly we ______(lose) energy

• was watching - lost

• watched- was losing

I _________________ the Biology class yesterday.

• wasn´t understanding

• was undertsand not

• didn´t understood

• didn´t understand