单项选择题 Huntington and many of its competitors are working to make remedial instruction a commodity as（） and accessible as frozen yogurt .

单项选择题 The star of the show is a （） performer who acts, sings, and dances with equal facility.

单项选择题 Grant was one of a body of men who were self-reliant （）, who cared hardly anything for the past but had a sharp eye for the future.