—He always appears when we are in trouble.—We can find a true friend _________ him.
#28448
A
in
B
of
C
from
D
on
推荐题目
At midnight the enemy attacked _________.
#28619
A
without warning
B
without notice
C
without permission
D
A or B
. You’re so tired. We should have driven the car _____ .
#27699
A
by turn
B
in turn
C
in turns
D
on turn