It’s not what we do once in a while shapes our lives, but what we do consistently.
A. which
B. that
C. how
D. when
网友回答
A. which
(答案→)B. that
C. how
D. when
解析：本题是一个强调句型。被强调部分为not what we do once in a while but what we do consistently，结合强调句型的结构It+be +被强调部分+that+...,故答案选B。句意：我们的人生不是一蹴而成的，而是长年累月定型的。