Complete the sentences with the highlighted words and phrases from the text . There are four extra highlighted words . 1 What are the typical symptoms of food poisoning ? 2 In spring , people who have allergies a lot . 3 Use hand sanitiser to keep the off your hands and 4 To improve your vitamins C and D. the flu . take a lot of 5 Can you get me some nose drops from the chemist's ? I've got a 6 Every week , more than twenty students​