新概念第六课课后习题This flowerpot is broken. Who knocked it over?

新概念第六课课后习题This flowerpot is broken. Who knocked it over? this flowerpot is broken .who knocked it___ knock over knock This flowerpot is broken.Who knocked it ___? This flowerpot is broken.Who knocked it____. The flowerpot is broken,who knocked it over?为什么用over不能用off吗? 1.Who knocked （over） this vase 2.She is looking (after) the The window is broken .Try to _______ who broken it 新概念2课后习题答案谁知道新概念的课后习题答案,10课, The window is broken.Try to () who broke it. The window is broken.Try to ( ) who broke it. The cup is broken!Who ___ (break) it 参考答案好像是 have broken,那我填 新概念英语第二册第六课课后练习答案