The professor asked a question, and David()a good answer.
选项
A:put up with
B:stood up for
C:came up with
D:looked down upon
出自:英语一

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