If Newton lived today,he would be surprise by what ___ in sc

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If Newton lived today,he would be surprise by what ___ in science and techn
If
Newton lived today,he would be surprise by what ____ in science and
technology.
A.had discovered B.had been discovered
C.has discovered D.has been discovered
选哪个,用什么时态,为什么,

选D,如果牛顿还活着,他会对现如今科学和技术上的发现感到惊讶.what指代的是science and technology,作主语是用单数,并且说的是现如今,所以选has,discover的主语是物是用被动,被发现,所以选D不选C,不懂了还可以问我,希望能帮到你

If Newton lived today,he would be surprise by what ___ in sc If Newton lived today,he would be surprised by what _____ if newton still lived today,he would be surprised by what __ If my brother lived here today,he would be surprised by what 英语翻译如果牛顿活到今天,他将对现在科技发现的新事物感到震惊If Newton lived today,he would if he were to leave today ,he would arrive in new york by tu 虚拟语气是If he were to leave today,he would get there by Friday. If he were to leave today,he would get there by Monday.这是英语虚 I wanted to know ___.A.would he be back soon B.if he would b He would be still alive today if he ____ that drug.C.didn't He would still be alive today if he hadn’t taken that drug.虚一个英语单词填空题what would you do if you___ ___ ___ ___ in the lott