Unit 9 Have you ever been to a museum?

重点知识园地重点单词1.unbelievable adj.难以置信的;不真实的I find this story both fascinating and unbelievable.我觉得这个故事非常有趣和难以置信。拓展(1)believable adj.可相信的;可信任的Her explanation certainly sounded believable.她的解释听起来的确可信。