A.n XP project needs a (73) customer to provide guidance. Customers, programmers, managers, are all working (74) to build the system that's needed. Customers - those who have software that needs to be developed - willlearn simple, effective ways to (75)what they need, to be sure that they are getting what they need, and to steer the project to success.(71)
A.importance
B.keys
C.roles
D.values( 72)
A. small-sized
B.moderately-sized
C.large-sized
D. huge-sized(73)
A.part-time
B.casual
C.seldom
D.full-time(74)
A.together
B.by themselves
C.separately
D.alone(75) A.tell
B.know
C.communicate
D. feedback