Some people even say that they (saw) UFOs with their own eyes.能这样说吗?
为何不能填have seen?
用saw,因为have seen强调过去的事情对现在的影响,光从这句上看不出“they see UFOs with their own eyes”对现在有什么影响,所以用saw,不用have seen。 这样,只是some people说出了一个事,那就是they saw UFOs with their own eyes。希望这个解释能有用。
答:答案:31.D.32.C.33.B.34.D.35.D.详情>>
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