ThefatheraswellashisthreesonsskatingonthefrozenrivereverySundayafternooninwinter．（）A.isgoingB.goC.goesD.aregoing
The father as well as his three sons__________ skating on the frozen river every Sunday afternoon in winter．（ ）
A. is going
B. go
C. goes
D. are going
分析句式可知，as well as 连接接两个并列主语时，谓语根据前面的主语来判断，即the father是句子的主语，谓语动词用单数，再根据every Sunday afternoon，时态确定用一般现在时．
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