Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
#26839
A
for, mean
B
for, meant
C
of, to mean
D
in, meaning
推荐题目
Four teams of three people would compete ______ the game and the winners would receive a free vacation.
#25626
A
in
B
against
C
for
D
with
Scientists are convinced the positive effect of laughter physical and mental health.
#28244
A
of; at
B
by; in
C
of; on
D
on; at
In the Great Depression, the American government couldn’t find good solutions _____ the unemployment problem.
#28690
A
of
B
to
C
on
D
about
The woman pulled her hat low down ____ her eyes in order not to be recognized by the angry crowds.
#26654
A
under
B
over
C
below
D
beyond
The couple overjoyed ________ words on hearing their son survive the airplane crash by a miracle.
#25413
A
of
B
in
C
beyond
D
above