1) I was _____ TV when the lights ________ out. a) watched / went b) watching / went 2) I _____________ While my mother _________________ the dinner. a) was studying/ was cooking b) was studying / cooked 3) He was playing football ___________ his father was washing the car. a) when b) while 4) __________ he crashed the car, he was using the cell phone.  a) when b) while

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