Make the sentences complete using either the Past Continiuous or the Past Indefinite of the verbs in brackets.

1) When I switched on the light I ... . (see a strange scene)
2) When the lecturer the room the students ... . (talk in loud voices and laugh)
3) He heard a strange noise when he ... . (come up to the house)
4) Nobody was listening to what he ... . (say)
5) When I entered the shop the shop-girl ... . (show a nice dress to an elderly LADY)
6) Mr. Brown was making a call when his secretary ... . (bring in the morning post)
7) When she was five her mother ... . (teach her English)
8) It was already lae and the people ... . (leave the party)
9) The ball was at its peak when John ... . (arrive)
10) The ship ran against a rock and ... ( sink) quickly.
11) It wasa cold and a strong wind ... . (blow from the North)
12) The patient was very ill and people ... . (talk in low voices)