It is illegal for a public official to ask people for gifts or money ________ favors to them.
#25512
A
in addition to
B
in return for
C
in revenge for
D
in search of
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-----Haven’t you heard the news? -----What news?   ----- Some of the workers are _______ while others are ______.
#28331
A
on the march, on strike  
B
on march, on strike
C
on the march, on the strike
D
on the strike, on march
Good friends as we are, I still find her difficult to understand ________. 
#27428
A
at one time
B
at a time
C
at times
D
at the time