v. + surgery >>共 273
undergo 39.19%
have 25.34%
perform 5.72%
require 5.67%
need 5.14%
follow 3.34%
do 1.30%
bypass 0.74%
avoid 0.73%
schedule 0.59%
have + n. >>共 1145
chance 2.31%
problem 2.14%
trouble 1.82%
right 1.67%
plan 1.46%
idea 1.28%
lot 1.20%
time 1.09%
child 1.04%
power 1.04%
surgery 0.61%
每页显示:    共 2079