题干
The Smiths are watching the men's table tennis match at moment.
A：Mr. Smith
B：Mr. Smith and his son
C：The Smith family
答案(点此获取答案解析）
C
The Smiths are watching the men's table tennis match at moment.
A：Mr. Smith
B：Mr. Smith and his son
C：The Smith family
砚），做笔用的狼毫，研墨用的墨条以及宣纸（即白纸）和做砚台用的砚石的主要成份依次是
