While he ............, his father arrived, playing, came, was sleeping, called, She was cooking when her friend ..............., was playing, calls, was driving, came, When I saw him , he............................., called, was playing, came, were sleeping, ?What were you doing when I ....................you, comes, was playing, was sleeping, called, They were watching TV , when the lights .............. off, went, called, came, was sleeping, While I ................ my car, I crashed into a tree, were playing, came, went, was driving

while- when

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