part of your payment has been received, but $ 20000 is still ____.
A.withstanding
B.paid
C.owned
D.outstanding
出自:国家开放大学报关实务

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