1.老师进来的时候同学们假装正在看书 The students_____ _____ ____ _____when the teacher came in.2.说老实话,我认为这是不可能的_____ _____ _____with you,I don't think it'll be possible.3.世界是何时开始存在的?When did the world_____ _____ _____?4.这首歌源于一首古老的民间故事This song_____ _____ _____an old folk story
问题描述：
1.老师进来的时候同学们假装正在看书 The students_____ _____ ____ _____when the teacher came in.
2.说老实话,我认为这是不可能的
_____ _____ _____with you,I don't think it'll be possible.
3.世界是何时开始存在的?
When did the world_____ _____ _____?
4.这首歌源于一首古老的民间故事
This song_____ _____ _____an old folk story
答