问题标题:
英语选择题:_____yourmotherandfathergoodatswimming?[a.are/b.is/c.do/d.does]swimming是主语,那怎样根据主语来选择开头是什么?
问题描述:

英语选择题:_____yourmotherandfathergoodatswimming?[a.are/b.is/c.do/d.does]

swimming是主语,那怎样根据主语来选择开头是什么?

丁志刚回答:
  swimming是动词所以开头是do或does.又因为motherandfather是三单,所以用does.   望楼主采纳!
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