They use computers to keep the traffic _______ smoothly.
#5026
A
being run
B
run
C
to run
D
running
推荐题目
We must keep our room clean, for dirt and disease go______, you know.
#4919
A
hand in hand
B
step by step
C
from time ti time
D
one zfter another
_____ of the students who took part in the military training is 450.
#4659
A
A number
B
A lot
C
Lots
D
The number
____ students should be given more free time is suggested by many experts and welcomed by kids in school.
#4995
A
What
B
Why
C
Whether
D
That
.What a pity! All his property, the books, the pictures and the house, __________consumed by the big fire.
#4778
A
were
B
was
C
had been
D
have been
¾ Are you waiting for a bus from Medical University? ¾ Yes. I arrived here at the bus stop ten minutes ago, but the bus _______.
#4745
A
hadn’t come
B
won’t come
C
didn’t come
D
hasn’t come