They cut discardedbooks from bindings so the paper could be recycled () .
A abandoned
B misplaced
c . damaged
D . disordered
出自:淄博学院大学英语

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