Pets must be healthy if you travel with them.
举一反三
- If you want to keep healthy, you must swear ______ smoking.
- The pets have to travel in _________ .
- You must follow the directions exactly and if you become _____, you must take the time to go back again and reread them.
- To ______, for a healthy heart you must take regular exercise and stop smoking.
- In this job you must be willing to travel and spend time abroad. ______