Past continuous vs past simple

I was walking on the street when I _______ (see) a friend.

• saw

• see

• was seeing

While I ________ (wash) the dishes, my mom arrived to my house.

• washed

• were washing

• was washing

When my students arrived to the class, I _______ (talk) with Miss Corinne.

• talked

• were talking

• was talking

While I was explaining the topic, Maddox _______ (sleep).

• slept

• were sleeping

• was sleeping

While the Danna and Amy _________ (do) their homework, they ________ (listen) to music.

• did - listened

• were doing - were listening

• was doing - was listening

While Vittoria _______ (play) tennis, she fell.

• played

• were playing

• was playing

When Ariadna called Caro, she _______ (study) for her maths exam.

• studied

• was studying

• were studying

Zoe and Monse ______ (run) in the park, when they _______ (see) Ruben.

• ran - saw

• was running - saw

• were running - saw

• were running - was seeing

While Sophia _______ (do) her homework, she was singing.

• did

• was doing

• were doing

Diego and Daniel _______ (play) video games when the lights ______ (go) out.

• played- went

• was playing - gone

• were playing - were going

• were playing - went