[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
正确答案：B
![[单项选择题] On careful examination of your samples, we found that the cotton piece goods are well](http://www.mshxw.com/aiimages/29/788980.png "[单项选择题] On careful examination of your samples, we found that the cotton piece goods are well")
[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
正确答案：B
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