[单选题,2分] When he looked into the audience,he caught ________ of his mother nodding to him.
A.sign
B.sight
C.glow
D.head
出自:安阳师范学院—大学英语

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