“Isn.t it impolite to call people by their first names?” The underlined word is of the same word class as .

选择一项:
A. work
B. possibly
C. interesting
出自:管理英语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