ГДЗ граматика Англійська мова 7 клас Мітчелл

Complete with must or mustn’t 

1. In the summer, you must wear a hat when you are out in the sun. 2. You must listen carefully to the safety rules before you go rock climbing. 3. You mustn't feed the goldfish in the lake. Look at the sign. 4. Football players mustn’t touch the ball with their hands. 5. Zoe mustn’t run round the swimming pool. It's dangerous. 6. People mustn’t throw batteries in rubbish bins at home. They must recycle them.