a. + time >>共 376
first 28.66%
same 14.98%
second 5.45%
long 4.61%
last 3.78%
hard 2.53%
good 2.49%
third 2.25%
next 1.57%
tough 1.16%
present 0.12%
present + n. >>共 1491
system 3.56%
situation 2.99%
government 2.59%
form 2.28%
day 2.15%
time 2.12%
crisis 1.56%
level 1.47%
study 1.28%
state 1.26%
每页显示:    共 135