If reading is to accomplish anything more than passing time, it ______ be active.

Amay not
Bmust
Cmight
Dis not
出自:西华大学-大学英语(一)

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