Aprocess by which one person or group presents a message in a formal manner to another group?

David works in the police force. he is mainly in charge of crime prevention, detection, and maintaining order. he works at the rank of a .

Write a conversation in chinese between two people. have the first person greet the second person, and tell their name. then, have the second person greets the first and tell their name. after that, have each person ask the other what time it is, what day of the week it is, and what month it is. have each person answer the other. in the end, have both people say goodbye to each other

Choose the right spelling. a. b. the right speling c. d. e.