Fill in the blanks with the verbs given.
1) Okaty ____(do) his homework when we____(call) him to go out.
2)We____(not-clean) the house when somebody___(knock) at the door.
3)The gardener____(pick) up the flowers when we_____(call) him to come in.
4)What___you___(do) when you____(hear) she was coming ?
5)He____(not-play) computer games while we_____(do) our homework.
6)_____you____(wash) your hair when I ____(call) you last night.
7)I____(tidy) my room when I_____(find) my wallet.