He tried listen carefully but still couldn.t________what they were talking about.
选项
A:make over
B:make out
C:make upon
D:make up
出自:英语写作

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