Rewrite the following sentence using whatever cohesive device is appropriate :
“Have another cup of tea ?”
“No, thanks, that was my fourth cup of tea. ”
出自:当代英语语法概论

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