PSAs are often run _____ free, and are ______ to educate people about health, safety, or any other problem that affects public welfare.
#26545
A
for, mean
B
for, meant
C
of, to mean
D
in, meaning
推荐题目
My younger sister enjoys listening to music very much, with pop music _______.
#26085
A
in detail
B
in brief
C
in particular
D
in advance
________ conclusion，I'd like to say that I believe him.I'm convinced ________ his honesty.
#25104
A
In；of
B
By；on
C
At；by
D
In；on
________ cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.
#25443
A
Except for
B
Rather than
C
Apart from
D
Instead of