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
The opening ceremony has been put off_____ the bad weather.
#25632
A
in case of
B
in spite of
C
instead of
D
because of
The bell rang and came in Mr. Brown, _____ a book in his hand. Then the class began.
#26418
A
for
B
when
C
with
D
while
They carried out an assessment of the project this morning and the results will be assessed ______.
#26799
A
on time
B
after time
C
before time
D
over time
