They use computers to keep the traffic _____ smoothly.
#98040
A
being run
B
run
C
to run
D
running
推荐题目
The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.
#98844
A
of going
B
to be going
C
your going
D
you to go
Great attention must be paid ______ education, especially in the poor area.
#96944
A
develop
B
to develop
C
developing
D
to developing
The government will take some effective measures to control the heavy smog_____the northern China.
#88868
A
blankets
B
to be blanketed
C
blanketing
D
blanketed
Hearing his words，I couldn’t decide ______or remain.
#98469
A
whether to go abroad
B
if I go abroad
C
if to go abroad
D
to go abroad
I have learned a lot about Asian customs, ______ in the small village for three years in the early 1990s.
#89713
A
lived
B
to live
C
having lived
D
to have lived