1. Past Simple or Past Continuous

1. We (walk) for an hour when it (start) to rain.
a) walked, startedb) were walking, was startedc) were walking, started
2). When you (ring) me yesterday, I (have) dinner.
a) were ringing, was havingb) rang, was havingc) rang, having
3). Last night they (wait) for Jack when I (arrive).
a) waited, was arrivingb) were waiting, arrivedc)were waiting, was arriving
4). What you (do) at the disco? – I (dance) and (sing) there.
a) did you do; danced; sangb) were you doing; danced; sang
c) were you doing; was dancing; was singing
5). Yesterday evening while my granny and mum (watch) the film, I (wash) the dishes.
a) watched, was washingb) were watching, was washingc) was watching, was washing