1. I _______ (listen) to music when my father ________ (arrive).
was listening ....... arrived
listened ....... was arriving
were listening ....... arrived
2. While he ______ (cook) dinner, she _______ (study) for her exam.
was cooking ....... was studying
were cooking ....... was studying
cooked ....... were studying
3. I ______ (wash) may car when, suddenly, a big dog _______ (appear).
was washing .......... appeared
washed .......... appeared
washed .......... was appearing
4. What _______ (you/do) when I _______ (call) you?
were you doing ........ called
did you ......... called
did you do .......... were calling
5. She _______ (eat) when she suddenly _______ (hear) a loud noise.
was eating ......... heard
ate .......... heard
ate ........ was hearing
6. When the police ______ (arrive), the two men _______ (fight).
arrived ......... were fighting
was arriving ......... fought
arrived ......... was fighting
7. As I ________ (write) an e-mail, the computer ______ (shut) down out of the blue.
was writing ......... shut
was writting .......... shut
were writing ......... shut
