英语高手(有难度的题目)large dog

B 完全倒装句 结构:表地点/时间的副词/介宾短语+动词+主语(名词)
如果主语是代词,则为:表地点/时间的副词/介宾短语+主语(代词)+动词
如:Here it is.Here is a letter.
如果用seated,须说成...to find that seated in front of my door was a large dog.
这种倒装句结构为 表语(adj/adv/介宾/分词)+be+主语.
如:Standing in front of my door was a large dog.