That 引导主语从句.
主语:That the dog was the first animal to be domesticated
谓语:is generally agreed upon by authorities in the field
我们完全可用问题中的句子作一篇文章的第一句,然后接着写下去,根本不必有任何“前文”.
That 引导主语从句.
主语:That the dog was the first animal to be domesticated
谓语:is generally agreed upon by authorities in the field
我们完全可用问题中的句子作一篇文章的第一句,然后接着写下去,根本不必有任何“前文”.