There is still no ______ that children up to the age of two can learn anything of value from television.
A. exposure
B. evidence
C. experience
出自:国家开放大学商务交际英语(1)

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