1) While ... for the bus, an accident happened. a) I waited b) I was waiting 2) Fay ... in the park when she found 20 dollars. a) was walking b) walked 3) Sam saw a dolphin while he ...  a) swam. b) was swimming. 4) Claire was ironing when her phone ... a) was ringing. b) rang. 5) Claude was painting his bedroom walls when he ... a scream. a) heard b) was hearing 6) Claude was painting his bedroom walls while Mrs Williams ... a) was sleeping. b) slept. 7) While Bill was riding his bike, he ... to music on his MP3 player. a) was listening b) listened 8) When the fire alarm went off, the cat ... out of the window. a) was jumping b) jumped 9) Tom was studying when Claire ... a) was calling b) called 10) It ... hard when he fell off his bike. a) was raining b) rained 11) Last night Mike watched a documentary about the environment. At that time Jeff ............. a comic. a) read b) was reading 12) Fred .............. his knee while he was playing. a) hurt b) was hurting 13) I ................. for the bus when it sterted to rain. a) waited b) was waiting 14) Ben .... his hand while he was cooking. a) burnt b) was burning 15) I ..... my purse while I ......... a) lost/ was shopping b) was losing / was shopping c) was losing/ shopped

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