I was sleeping when/while he called.
when
He was playing game when/while his mom called him.
when
I was cleaning when/while she came to my house.
when
I was watching TV when/while the phone rang.
when
George was going to the party while/when he met Tom.
when
I visited when/while she was studying.
while
Alice was climbing a tree when/which she saw a honeycomb.
when
When/while I cleaned the road, it was snowing.
When
I was listening to rock music while/when I was jogging
while
While/When it was raining, they went out.
While
While/When I arrived, he was working.
When
While/When I was going to shcool, I saw a car accident.
While
While/When you were reading, she came
While
I was playing basketball when/while I heard a strange noise.
when
I was breating while/when I was singing.
while
My sister ate salad when/while I was working.
while