past simple and past continuous

Stewart wasn’t careful. He hit a tree and he was falling off his bike.

• a) Correct

• b) Wrong

I left home at six-thirty this morning and went to work.

• a) Correct

• b) Wrong

 What (you, do) ...........when you .............(hear)  that noise?

• were you doing/ heard
• you were doing / heard
• you did/ heard
• you did / were hearing

We ........ at the breakfast table when the doorbell  ........

• sat/was ringing
• were sitting / rang
• was sitting/were ringing
• sitting / rang
  
  

The students ......  cards when the teacher ...... in.

• were playing / came
• was playing/was coming
• played / were coming
• played/ came

While we (clean) the house, we (break) some glasses.

• were cleaning/ breaked
• cleaned/ broken
• were cleaning/ broke
• was cleaning/ was breaking

The thieves (hide) in the kitchen when the police (come) in.

• hid/came
• hided/ come
• was hiding / came
• were hiding / came

Alan (look) out of the window when he (see) a UFO.

• was looking/saw
• looked/ saw
• was looking / seen
• looked/ was seeing

While I (drive), I (have) an accident.

• drived/had
• was driving/ had
• drove / was having
• drove/ had

He (wake) up and (look) at his watch.

• waked / looked
• was waking / looked
• woke/ looked