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题目内容
（大连工业大学-大学英语3）
(单选题) Charles regretted ______ the TV set last year. The price has now come down.(本题3.5分)
A、 buying
B、 to buy
C、 of
D、 from
A、 buying
B、 to buy
C、 of
D、 from
参考答案