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泉州一中2013学年高三英语月考
21. All of ______ sudden, some passengers on ________ board let out screams, running upstairs like _____ crazy.
A. a; /; / B. the; the; / C. a; the; / D. the; /; the
22. More and more factories have been built around the city, which leads to ______.
A. the rivers having polluted B. pollute the rivers
C. the rivers being polluted D. the rivers to be polluted
