4 Choose the correct item. (15 mark 0 The campsite has got a shop so they mustn't/don't have to bring food. 1 It's cold at night so you must/can packe 2 The campsite is next to a lake so we has to/can go swimming. 3 There are no tents at the campsite so you don have to/have to bring your own. 4 You can't/mustn't drop litter in the nature reserve. 5 It's hot in here. Must/Can you open the window, please? 115​