Thus the services of a factory worker or an office worker, a ballet (17) or an astronaut all fall (18) the general heading of labor. A. into B. from C. under D. to
Thus the services of a factory worker or an office worker, a ballet (17) ___________ or an astronaut all fall (18) __________ the general heading of labor.
A. into
B. from
C. under
D. to