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2009年东北三省三校第一次联合模拟考试英语试题
21. At first, it seemed that everything went well, but all of ______ sudden, the ship hit ______ iceberg.
A. a; an B. a; the C. the; the D. /; an
22. We have made ______ clear that we are strongly against smoking in the office.
21. At first, it seemed that everything went well, but all of ______ sudden, the ship hit ______ iceberg.
A. a; an B. a; the C. the; the D. /; an
22. We have made ______ clear that we are strongly against smoking in the office.
