Past Continuous or Simple?

Choose verb and tense.
draw.gif
Example: He was drawing when his mother came back home. [come / draw]

feedpigeons.gif
He the pigeons when it to rain. [feed / start]

havedrink.gif
They a drink when there a terrible noise in the kitchen. [be / have]

makespeech.gif
He a speech when the lights out. [go / make]

playguitar.gif
He the guitar when we . [play / arrive]

playviolin.gif
He the violin when the bell . [play / ring]

read.gif
He when I in. [come / read]

sleep.gif
He when the telephone him up. [wake / sleep]

think.gif
He of his project when he asleep. [think / fall]

walk.gif
He down the street when he a strange old man. [meet / walk]

workhard.gif
He very hard when someone at the door. [work / knock]

write.gif
She a letter when the teacher into the classroom. [come / write]