It took them about one month to ______ how to start the equipment. "A. make out B. come out
C. get out D. figure out
"
出自:西安交通大学--英语三

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