He did not know how to fight,but he knocked the boxer______.请问这该填什么副词或介词呢?
问题描述：
He did not know how to fight,but he knocked the boxer______.
请问这该填什么副词或介词呢?
答
他不会战斗, 但是他敲了拳击手______.
答
down.
^^
答
介词 down