_____B___season do you like best?_____A__is the biggest animal on the
WHICH后要加名词 不能单独使用但是课本上有一句话：Which is the biggest planet in the solar system?Which is the biggest planet in the solar system?这句话是省略句原句应该是Which is the biggest planet in the solar system，sun,moon or mars?之类的 （在比较等级的句子中常用）可以总结一下你的回答吗？which在疑问句往往和后面的名词一起构成疑问词，或在比较级句型中使用，选择范围位于句末