All _______ is a continuous supply of the basic necessities of life. [

A、 ]. this is needed [

B、 ]. that is needed [

C、 ]. for our needs [

D、 ].the thing needing
出自:阿坝师范学院大学英语

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