____ my father was reading a book , my mother was looking at the family album. I was having a shower ____ my friend broke my mother's favourite vase. ____ the teacher came into the classroom ,some students were arguing with each other. My father was waiting in the car ____ my mother was doing shopping. The electricity went off ____ we were watching a horror film. I ____ (work) on the Science project when you ____ (come) into the room with a big chocolate cake in your hand. Who ____ (speak) while the teacher ____ (introduce) the new subject? Mary ____ (look) out of the window when it ____ (start) raining. Jack and Steven ____ (have) dinner when they ____ (hear) a strange noise. My uncle ____ (listen) to the radio while the earthquake ____

When and While

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