By “permissive period in education” the author means a time______________ .

A
A. when children are allowed to do what they wish to

B
B. when everything can be taught at school

C
C. when every child can be educated

D
D. when children are permitted to receive education
出自:新疆开放大学大学英语

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