آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 5700

The ......... program of Iran has included several research sites, two uranium mines, a research reactor, and uranium processing facilities.

They remained ......................... friends throughout their lives. No one could break them apart or make them become upset with each other.

Group work is used as a / an ........................... idea to punishment after less active students at schools. 

Just because of his teacher's encouragement , he was .............................. intended to medical fields and went to university.