相关IsBettyagoodstudent的文学知识

问题详情：用括号中所给单词的适当形式填空1．—IsBettyagoodstudent?—Yes,she's_____(hard­working)thananyotherstudentinherclass.2．—DoesGracesingwell?—Yes,shesings_____(clearly)and _____(loudly)thanothers...