We had a(n) ______ with him about this problem last night.
A、 explanation
B、 impression
C、 exhibition
D、 discussion
出自:石家庄铁道大学-大学英语二

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