______ Lin Feng has to work late, she always wears a smile on her face.( )(本题2.0分)
A. Because
B. If
C. Until
D. Though
出自:平顶山学院-大学英语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