There should not be such a big ( ) between your price and those of other suppliers.
A. hole
B.distance
C. quotation
D.gap
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