1) Somone chased me______________ I was walking in the park. a) When b) While 2) My mother was cooking_____________ sombody knocked the door. a) When b) While 3) The police broke into my house______________ I was trying to escape. a) When b) While 4) A man was killing his son_____________the police caught her.  a) When b) While 5) The criminal was stealing my things___________ I saw him. a) When b) While 6) A policeman arrested a man_____________ he was trying to kidnap a boy.  a) When b) While 7) A criminal was running___________ a policeman shot him. a) When b) While 8) The police arrested a man______________ he was robbing a bank. a) When b) While

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