8 Complete the text with the phrases below.
must wear • must be • should try • mustn’t let • shouldn’t enter • mustn’t fall
Athletes 1. competitions before learning the rules of their sport, but some athletes don’t know them all.Here are examples of some rules:
• Runners 2. shirts during races. A runner without a shirt
loses the race.
• Gymnasts 3. people see their underwear. It 4. the same colour as their clothes.
• In tennis competitions, players can wear a hat, but it 5.
off their head.
Athletes can lose competitions because they don’t know the rules, so they 6. to learn them.
ayuda