__________ are syntactic options of UG that allow general principles to operate in one wayy or another and contribute to significant linguistic variations between and among naturall languages.
出自:信阳师范学院-英语语言学

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