A Father and daughter.
B Doctor and patient.
C Teacher and student.
D Manager and clerk.
5
A Families with cars.
B American's heavy dependence on cars.
C A vacant position.
D The lengths of the highways.
6
A The man has to remain in the class.
B The man has to study hard to pass the course.
C Dr.White enforces strict dealines on lab work.
D She would like to drop the class too.
7
A The transportation for the trip is free.
B Nearly every one worries about the transportation.
C Some people may not go on the trip.
D All of the class members have paid the fee.
8