شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 12792

The two countries that stopped fighting five years ago have recently started the war again, claiming that one side has ………. the agreement reached at that time.

What does the underlined word “useful” mean?

This year’s exam results are surprisingly good. The girls … have done better than we expected.