Children under 12 years of age in that country _____ be under adult supervision when in a public library.
_________ 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.