At first Mr. Smith thought his investment in information was a waste of money, but
finally it .
A. paid for B. paid off C. paid down D. paid
出自:湖南大学-计算机

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