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
正确答案：A
参考解析：本题暂无解析
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
正确答案：A
参考解析：本题暂无解析
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