1. Though I had tried to explain it as clearly as possible, my explanation seemed not to ______. A. get up B. get along C. get across D. get down
2. That fellow ______ at long distance running. A. excels B. exceeds C. surpasses D. overtakes
【单句改错】 1. Recent studies have shown that air into a house often has higher concentrations of contaminants than heavily polluted air outside. 2. Langston Hughes, a prolific writer of the 1920s, was concerned with the depicting the experience of urban Black people in the United States.