Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.
_________ going to the exhibition.
.______ I admit that there are still some problems about the traffic in this area, I don’t mean that it can’t be solved.
--I’m going to the post office. --_____you're there, can you get me some postcards?
These winners from that key school are wise and diligent, actually there are ______students in that school
There is an increase of 16% in the consumption of tobacco_____ the previous year.