The department is also deeply ____ in various improvement schemes.
A . connected
B . included
C . involved
D . implied
出自:山东第一医科大学英语(4)

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