1) While he ............, his father arrived a) was playing b) came c) was sleeping d) called 2) ..............She was cooking when her friend . a) was playing b) called c) was driving d) came 3) .............When I saw him , he a) called b) was playing c) came d) was sleeping 4) ?What were you doing when I ....................you a) came b) was playing c) was sleeping d) called 5) They were watching TV , when the lights .............. off a) went b) called c) came d) was sleeping 6) While I ................ my car, I crashed into a tree a) was playing b) came c) went d) was driving

while- when

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