. He ________ his suitcase from one hand to the other and caught his breath for a moment.
A. exchanged B. shifted C. changed D. raised
出自:湖南大学-计算机

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