John doesn’t believe in _________ medicine; he has some remedies of his own.

选择一项:

A.
standard


B.
regular


C.
conventional
出自:国家开放大学-理工英语2

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