be tenacious
A. be frank
B. be straightfoward
C. be determined
a upright citizen
A. an honest and responsible citizen
B. an athletic citizen
C. a citizen who is always right
Many disorders will happen when the ______________________ doesn't work well.
A. sedentary job
B. immune system
C. high cholesterol
Jerome believes that ____________ is the root of success.
A. health-conscious
B. immune system
C. self-discipline