شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 1 | آزمون شماره 12681

Iran is a vast country with a variety of cultures and customs. Although its citizens speak many different languages, they, in fact, share a ......... language.

You wouldn’t call yourself a nature protector when you’re ......... the earth by adding pollutant to the air.