题目内容：

所给词的适当形式填空.Do you know what_______(happen)over there?Let's go and have a look.

优质解答

同学,为你 Do you know what____happened___(happen)over there?Let's go and have a look. 这里填写 happened 发生的事情过去的,因此要happen的过去式 有疑问请继续追问,在线随时为你解答疑问!如果认可...