1) When the phone rang, I was making lunch. a) correct b) incorrect 2) When I was making lunch, the phone rang. a) correct b) incorrect 3) I was writing my essay when I talked to Larry on the phone. a) correct b) incorrect 4) I helped my mother around the house when I was home. a) correct b) incorrect 5) He was walking back to his flat when he heard an explosion. a) correct b) incorrect 6) She was mad at me while I broke her favorite photo frame. a) correct b) incorrect 7) Lucy came into the room while he was waiting. a) correct b) incorrect 8) I was sleeping when he knocked on the door. a) correct b) incorrect 9) A rainbow appeared while I was looking out the window a) correct b) incorrect 10) I was washing the dishes while my wife came home. a) correct b) incorrect

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