程琳17岁演唱的老歌:英语!!

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/09 04:27:32
填介词或副词
he did not know how to fight,but he knocked the boxer___
I knocked___ early yesterday and......
Who knocked it?
最后一句应改为:Who knock it ____?

1.down
2.down

knock down:1. 击倒;击落
2. 拆毁
3. 降低