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8. The watch was very good, and he &n
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问题：
[单选]
8. The watch was very good, and he 20 percent down for it.
A . a good one
B . a better one
C . the best one
D . a best one
参考答案:
问题：
[单选]
8. The watch was very good, and he 20 percent down for it.
A . a good one
B . a better one
C . the best one
D . a best one
参考答案: