شرکت در آزمون آنلاین زبان انگلیسی 2 - زبان انگلیسی 2 | آزمون شماره 6885

By changing the way of presenting classes at school people and students' ............................... have also changed. 

We haven’t always been close, but I know I can always ... him for help when I really need it.

Have you ever thought how many stars are there in the universe? It is a simple question but the answer is really challenging. They have not been counted completely, but it is estimated there are over … in the universe.

Mrs. King will get angry if her son and Jack suddenly … into the river.