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