Complete the sentences with the Past Simple or Past Continuous form of the verbs.
She (watch)(1) a documentary when she (hear)(2) knocking at the door.
Sara and Jim (find)(3) the old clock while they (dig)(4) an old magician's orchard.
Tom (stand)(5) on the deck of the ship when he (see)(6) the princess.
We (work)(7) on our research paper when the computer suddenly (break)(8) down.
The tour guide (tell)(9) us about the church when the security alarm (ring)(10).
The man (drive)(11) to work when some people in black (stop)(12) him.
