4 Put the verbs in brackets into the correct form, past simple or past continuous, to complete the sentences.
2 I............... (run) for the bus, got on and (find) a seat at the front.
3 When I .... (hear) the bang, I. (turn) round to see what it was.
4 While I........... (swim), someone (steal) my clothes.
5 He.............. (ride) his bike when the back wheel .......... (fall off). ​