At school, our social circle is limited and we don't communicate with anyone _______ people around us.
In my opinion, only in this way _________ the problem.
My friend told me it would be months _________ his family settled down in that city.
_________ beautiful natural scenery of Ireland attracts millions of tourists every year and tourism is now _________ big industry.
Every individual _________ in a continually changing world of experience of which he or she is the center.
_________ in Current Biology, the finding suggests that female birds seek mates with superior singing skills.