شرکت در آزمون آنلاین انگلیسی 3 - انگلیسی 3 | آزمون شماره 11131

Susan made a serious mistake while she was solving the complicated chemistry problem as she didn’t figure out how to ......... chemical units.

Her unhappy childhood was the ....................... of her problems in adulthood; that's why she usually blames her parents.

Due to high ................................ and lack of water many animals are in danger of death.

The musician was in his thirties when he won the .................................. and got the American music award.