按要求改写句子。 1. People are supposed to shake hands when they meet for the first time. (对画线部分提问) _______ _______ people supposed to_______ when they meet for the first time? 2. We usually make plans to see friends. (改为同义句 ) We usually ______ _______ see friends. 3. Someone invited me to go to the restaurant to have dinner.(改为被动语态) I ______ _______ to go to the restaurant to have dinner. 4. You should give him something to eat for breakfast.(改为否定句) You ______ give him _______ to eat for breakfast. 5. People have pretty relaxing rules in Colombia.(对画线部分提问) _______ _______ _______ rules do people have in Colombia?