Выберите правильный вариант. 1.You ... (should/shouldn’t) read this book. It’s really nice.
2.It’s a secret. You ...(must/mustn’t) tell it to anyone.
3.All passengers ... (should/must) wear seat-belts.
4.He ... (should/shouldn’t) whistle inside a house
5.You ...(should/must) respect your parents