Promptness is important in American business, academic, and social settings. The 【C1】______ of punctuality is taught to young children at school. Today slips and the use of bells signal to the child that 【C2】______ and time itself are to be respected. People who keep 【C3】______ are considered dependable. If people are late for job interviews, appointments, or classes, they are often 【C4】______ unreliable and irresponsible. In the business setting, 'time is money' and companies may 【C5】______ their executive for tardiness to business meetings. Of course, it is not always possible to be punctual. Social and business etiquette also provides rules for 【C6】______ arrivals. Calling 【C7】______ the telephone if one is going to be more than a few minutes late for 【C8】______ appointments is 【C9】______ polite and is often expected. Keeping a friend waiting 【C10】______ ten to twenty minutes is considered rude. Respecting deadlines is also important in academic and professional 【C11】______ . Students who 【C12】______ assignments late may be surprised to find that the professor will 【C13】______ their grade or even refuse to 【C14】______ their work. 【C15】______ it is a question of arriving on time or of meeting a deadline, people are culturally expected to stick to the schedule time. 【C1】______