单项选择题
A.were allowed to check their houses right away B.were taken to see their houses C.had to wait until the firefighters were sure the fire was out D.helped by the Red Cross
A.They never supported the hospital. B.The plant is near the hospital. C.Many chemicals for industry are not tested. D.He coughed so hard that he broke his ribs.
A.They all got sick. B.They are at higher risk of cancer and asthma. C.They lost their jobs at the plant. D.Most of them moved away.