1. The proper use of English is to make the language more respect for people 2. You certainly offend her yesterday, is not it? 3. There are many things to do, he left the party early 4. We should encourage students and teachers to share their insights 5. Know how to communicate with others is one of the skills we have to grasp 6. Any close contact with those patients who should undergo strict checks 7.mike on that incident made the right response, which others are much appreciated