شرکت در آزمون آنلاین زبان انگلیسی 2 - زبان انگلیسی 2 | آزمون شماره 6315

Any language is learned with constant … . That’s a fact!

Psychologists have discovered a clear … between the level of education and happiness. They seem to believe that the educated people are able to lead a happier life.

People have already known that CO2 causes a lot of … to the weather and even their own health; but I wonder why they don’t use public transportation instead of driving to work every day.

We may find plenty of time to play various games while we are outside if it … fine and dry.