问题
选择题
After he retired, he keeps on taking exercise to kep fit______a good diet.
A．except
B．in addition to
C．but for
D．other than
答案
答案：B
in addition to意思为 “除……之外还有”。 other than的意思为相当于but, except。but for要不是；except除……之外（不包括）。