Let me ___________ the case carefully before I draw a conclusion.A. look up B. look into C. look after D. look out
出自:国家开放大学开放英语

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