The father as well as his daughters skating on the freezing river every Sunday afternoon.

问题补充：

The father as well as his daughters skating on the freezing river every Sunday afternoon.

A. go

B. goes

C. is going

D. are going

答案：

A. go

(答案→)B. goes

C. is going

D. are going

解析： 考查主谓一致，as well as 连接两个主语时，谓语动词取决于前者，题中的主语为The father，所以谓语动词用单数，根据时间every Sunday afternoon应用一般现在时态，所以选B。