问题
单项选择题
On careful examination of your samples, we found that the cotton piece goods are well（）standard in quality.
A. until
B. up to
C. in
D. into
答案
参考答案：B
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On careful examination of your samples, we found that the cotton piece goods are well（）standard in quality.
A. until
B. up to
C. in
D. into
参考答案：B