A．It is wrong to give more pay to the passengers.
B．Don't follow others to overcharge the passengers.
C．Don't believe them if they are paying you more.
D．It is difficult to work hard and live as an honest boy.
A．He thinks that it does great harm to human relationship.
B．He thinks that it may lead to the loss of his sports team.
C．He believes that it is considered as the most dangerous.
D．He believes that it is a totally shared experience.
A．His father's advice helped him to decide which job to take up.
B．Working in the sports team was his most important experience.
C．He learnt much from his shared experience with his team members.
D．His experience as a baggage boy had a great influence on his later life.
A．Various ways color theory is used in different fields.
B．Various ways artists can use primary colors.
C．Aspects of color theory that are subject of current research.
D．The development of the first theory of primary colors.