2 Complete the sentences. ► Look out! There’s a car coming! 1 If someone ____ the liquid, take them to hospital and take the bottle with you. 2 ____ of falling rocks. In ____ of emergency, call the police. 3 ____ the step when you leave the building. 4 Watch ____! There’s a big spider. 5 The river was flooded, and a policeman ____ us about the ____ ahead. 6 Be when you’re driving there. There are often low flying ____! 7 If you need any ____, please ring the office. 8 There are usually guard dogs on the business ____ at night.