A．connects
B．equivalent
C．experiences
D．experiments
E．figure
F．gradually
G．heartfelt
H．immediately
I．leave
J．powerful
K．proving
L．reluctant
M．strength
N．suppose
O．tools

A．Basic skills of leadership.
B．Basic skills of learning.
C．Basic skills of being a popular person.
D．Basic skills of holding an important meeting.