Exercise 1 put the verb in the correct tense, past continuous or past simple. 1 i (watch) tv at home, when someone (come) to the door. 2 my mother (phone) while i (prepare) dinner. 3 when we (arrive) home, some friends (wait) for us. 4 as i (walk) along the street, i (see) an old friend. 5 when i (wake) up, everyone (look) at me. 6 jane (see) another guest who (wear) exactly the same hat!