16、 He had waited so long that he became . [ 1 分 ]
A. impatient
B. patient
C. quiet
D. reserved
出自:乐山师范学院-高级英语

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