Developing a low-carbon economy is__________global topic and the world needs__________clean revolution with participation from everyone, decision makers to the children.
--- What about inviting Mary to our party? --- You’d better not. She prefers to be ____, so far as I know.
It is not enough to have ____ for the disabled. We should learn to respect them and help them understand their valuable roles in society.
The young couple are always quarreling ____ family affairs, so it’s only a matter ____ time before they get divorced.
____, all the students passed the entrance examination.
When I was passing the town hall, I heard the clock ____ twelve.