شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 1 | آزمون شماره 10021

He was until very ......... the most powerful banker in the city, but some more powerful ones have started work.

There was a terrible accident last night ; one driver died and the other was badly ....................  .

Are we doing enough to ..................... the environment? I don't think we are being responsible enough to do so!