为什么是Why don't you have some water. 而不是Why don't you have any water还有个问题If we are to catch the first train,we have to hurry.It ____at 7:55.为什么用starts,不能用is starting?

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为什么是Why don't you have some water. 而不是Why don't you have any water还有个问题If we are to catch the first train,we have to hurry.It ____at 7:55.为什么用starts,不能用is starting?

为什么是Why don't you have some water. 而不是Why don't you have any water还有个问题If we are to catch the first train,we have to hurry.It ____at 7:55.为什么用starts,不能用is starting?
为什么是Why don't you have some water. 而不是Why don't you have any water
还有个问题
If we are to catch the first train,we have to hurry.It ____at 7:55.
为什么用starts,不能用is starting?

为什么是Why don't you have some water. 而不是Why don't you have any water还有个问题If we are to catch the first train,we have to hurry.It ____at 7:55.为什么用starts,不能用is starting?
这个要理解why don't you表达是含义了,一般来说它表达一种建议,为什么不…其实就是叫你去做某事,而在英语中在疑问句中为了得到别人的肯定回答或表示服务的时候是要用some不用any的,这里就是说“为什么不喝点水呢”,希望别人肯定回答

why don't you do 是一个委婉的询问
在委婉的询问中,some 不用改成any
如: Would you like to have some juice?
望采纳~

why not 不是否定

疑问句中表示一些,有两个选择,some和any。
区别在于,用some暗示自己期望中对方会给出肯定回答。any则没有这样的暗示。
比如,客人饿了,主人会问Do you want something to eat?而不大会问Do you want anything to eat?

.在表示建议,反问,请求的疑问句中,或期望得到肯定回答时,多用some而不用any。如:
Would you like some coffee? 你要不要来点咖啡?
What about some fruit juice? 来点水果汁如何?
在这里用SOME是希望对方做肯定回答

some 此时比any 更委婉客气

why don't you一般来说它表达一种建议,为什么不…用some暗示自己期望中对方会给出肯定回答
It __starts__at 7:55一般现在时 表示经常性习惯性的动作或行为,通过第二句可知首列火车发车在7:55。希望能帮到你,祝学习进步,更上一层楼O(∩_∩)O