The ( ) between the products and samples is normal, so we could not accept the claim.
A.discrepancy
B.. mistake
C. wrong
D.change
出自:国家开放大学英语语法

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块