آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 7654

It is well known in ……… theory that reaction rates increase rapidly with increases in temperature.

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

The investor was scared to pour a lot of money into the .................. venture out of fear he would lose it all.