Complete the sentences using avoid, don’t, have to, mustn’t or should.
40 In hot weather, you _________ drink a lot of water and keep the sun off your head.
41 ___________ lying in the sun too long during the first few days of your holiday.
42 ___________ go swimming after eating a heavy meal or drinking alcohol.
43 You _________ jump or dive into the hotel swimming pools.
44 You _________ put sunscreen on again after you have been swimming.
45 You _________ tell the rep and the hotel staff if you are allergic to anything.
46 In less developed regions, ________ eating uncooked dairy products, vegetables, and salads.