.A ________may be given ____means of flags, lights, and guns.
#69309
A
sign; by
B
signal; in
C
signal; by
D
sign; in
推荐题目
(2013·高考山东卷)The Smiths are praised ________ the way they bring up their children.
#25410
A
from
B
by
C
at
D
for
The financial crisis has led to a sharp ______ in profits in many factories.
#27395
A
decline
B
increase
C
deadline
D
desire
(2014·南昌第二中学高三检测)We must keep our room clean，for dirt and disease go________，you know.
#25146
A
hand in hand
B
step by step
C
from time to time
D
one after another
During the ten—day vacation , they traveled to France ______their own expenses .
#28704
A
on
B
with
C
at
D
in