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题目内容
（商丘师范学院-大学英语3）
(单选题) Charles regretted ______ the TV set last year. The price has now come down.(本题2.5分)
A、 buying
B、 to buy
C、 of
D、 from
A、 buying
B、 to buy
C、 of
D、 from
参考答案