1) Children were working in factories ___ new machines were being invented. a) WHEN b) WHILE 2) Many workers moved to the cities ___ the Industrial Revolution started. a) WHEN b) WHILE 3) Families were suffering from poor living conditions ___ industry was expanding. a) WHEN b) WHILE 4) Women and children were working long hours ___ men also worked in dangerous jobs. a) WHEN b) WHILE 5) Cities were growing rapidly ___ people left the countryside. a) WHEN b) WHILE 6) Workers protested ___ factory owners refused to improve conditions. a) WHEN b) WHILE 7) New inventions were spreading ___ society was changing quickly. a) WHEN b) WHILE 8) Life in the countryside changed ___ industrialization reached rural areas. a) WHEN b) WHILE 9) People were getting sick ___ pollution increased in the cities. a) WHEN b) WHILE 10) New laws were introduced ___ child labor became a serious problem. a) WHEN b) WHILE

WHEN or WHILE?

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