题目内容
Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
A. for, mean B. for, meant C. of, to mean D. in, meaning
B
【解析】 略
| |||||||||||||||||||||||||||||||||||||||||||||
题目内容
Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
A. for, mean B. for, meant C. of, to mean D. in, meaning
B
【解析】 略
| |||||||||||||||||||||||||||||||||||||||||||||