It is______to everyone that the boy has been badly treated. 

33. The employees have not been paid _______ since the new manager took over this company last month.

Father       goes to the gym with us although he dislikes going there.

The incomes of skilled workers went up. ____, unskilled workers saw their earnings fall.

With the word “PM2.5” ____ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.