A．The departure tax they have to pay on their next international flight.
B．The distance they have to travel from the airport to the city centre.
C．The prices the major hotels charge.
D．The place where taxis are waiting to be hired.
A．How to face one's weakness.
B．The significance of working hard at school.
C．The direct and indirect value of school work.
D．Choosing a career according to one's strongpoint.