Past simple vs Past continuous

1. My brother (to send) _______ me a text message saying he was enjoying the trip.

• sent

• was sending

2. When I (to open) ________ the window, it was raining.

• opened

• was opening

3. We (to sit) _________ in the dining room when the doorbell rang.

• sat

• were sitting

4. He (live)___________ in Russia when the Revolution started.

• lived

• was living

5. When they (to leave) ______ the house, the sun (to shine) ________.

• left - was shining

• were leaving - shined

6. The woman (to explain) _______ to the class when the lights (to go) _______ out.

• explained - were going

• was explaining - went

7. I ____________(to see) Jack while I ___________(to wait) at the bus stop.

• saw- was waiting

• was seeing - waited

8. Jennifer ________________ (not/ study) this morning when I __________ (to call) her.

• wasn't studying - called

• didn't study - was calling

9. I (to watch) __________ a movie when I (to see) ______ a man standing outside.

• was watching - saw

• watched - was seeing

10. The children (play) _________in the park when it (to start) ________to rain.

• were playing - started

• played - was starting