I have never seen anyone run so fast----______David go.A just watch B just to watchC just watching D just having watched句意:我从来没有看到有人跑这么快,看大卫却能这样.题中破折号,从而可判断后面为祈使句.我一点

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I have never seen anyone run so fast----______David go.A just watch B just to watchC just watching D just having watched句意:我从来没有看到有人跑这么快,看大卫却能这样.题中破折号,从而可判断后面为祈使句.我一点

I have never seen anyone run so fast----______David go.A just watch B just to watchC just watching D just having watched句意:我从来没有看到有人跑这么快,看大卫却能这样.题中破折号,从而可判断后面为祈使句.我一点
I have never seen anyone run so fast----______David go.
A just watch
B just to watch
C just watching
D just having watched
句意:我从来没有看到有人跑这么快,看大卫却能这样.题中破折号,从而可判断后面为祈使句.
我一点都不明白,为什么有破折号就是祈使句.不能理解成直到看见大卫跑了,我才发现… 不是应该用过去的吗?
感激不尽

I have never seen anyone run so fast----______David go.A just watch B just to watchC just watching D just having watched句意:我从来没有看到有人跑这么快,看大卫却能这样.题中破折号,从而可判断后面为祈使句.我一点
首先,如果按照您理解的意思,“直到看见大卫跑了,我才发现...”句子中间是不需要破折号的.标点符号使用时有一定规范的,一个连词就可以表示的承接关系不用破折号.
其次,为什么david跑就一定要是过去呢?完全可以是现在正在跑啊.
第三,如果非要把david 跑的动作放在过去的话,那前面就要换成过去完成时了,也即改成I had never seen anyone run so fast,也就是在David跑这个动作之前没见过谁跑这么快的.

i have never seen such an interesting film that I have never seen such an interesting film before I have never seen such an animal请翻译 THANKS I HAVE NEVER SEEN 歌词 i have never seen an uglier face.(use i have ever seen)it is one of ( )快 i have never seen ---------science fiction. such an interesting ; so an interesting such insteresting ;so insteresting. 翻译:I have never seen him. I never have seen语法正确吗 i have never seen such an interesting film that this one is. even some of them I have never seen even some of them I have never seen 英语单项选择一题I have never seen __________ interesting film.I have never seen __________ interesting film.A.an such B.quite a C.very an D.such an You have never seen such an exciting film,____you? 我从未见过这样的动物 为什么是I never saw such an animal 而不是I have never seen such an anima...我从未见过这样的动物 为什么是I never saw such an animal 而不是I have never seen such an animal 把never 提前为什么 this is the most interesting film .i have never seen such an interesting film before改写为定语从句 it is one of the ugliest faces i have ever seen.I 've never seen( )it is one of the ugliest faces i have ever seen.I 've never seen( )a.an ugly one b.an ugliest one c.the ugliest one d.an uglier one选哪个,为什么 — Have you ever seen anything like that before?— No,_____ anything like that before.[ ] A.I never have seen  B.never I have seen  C.never have I seen  D.I have seen A为什么不行啊. I've never seen such an interesting film有语病? never ()a man as happy as he i had seen had i seen i have see