1. my sister is (pretty) than yours. 2. which of your classmates is (clever)? 3. who is (attentive): you or your brother? 4. which continent is famous for (severe) winters? 5. the 25th of july was (hot) day of the year. 6. what is (difficult): to speak or to write in english? 7. i think madonna is (famous) than frank sinatra. 8. walking is (healthy) than going by car раскройте скобки