In the middle of the night, we ______signals for help from another ship. 
#84146
A
picked out
B
picked up
C
picked on
D
picked at
推荐题目
 _______ , athletes from all over the world compete _______ the Olympic Games _______ the honor of winning. 
#64570
A
Every fourth year; in; for
B
Every four year; in; for
C
Every fourth years; against; in
D
Every four years; for; in