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高三英语单选1 For Senior 3 students,choosing which college to atte

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高三英语单选
1 For Senior 3 students,choosing which college to attend ____________be the most exciting time in their entire school lives.
A.must B.should C.would D.can
为什么A不行啊?
2—Shall we have a smoke here?
—No,we .Because the worker is carrying some petrol.
A.won’t B.mustn’t C.can’t D.needn’t
为什么 can’t 不行呢?
3 —Is there anything else I can get for you except the scarf?
—No.That be it.Thanks a lot.
A.could B.must C.should D.might
这里should怎么用的啊
4 Had the visiting delegation set out earlier this morning,they the airport so far.
A.might reach B.may have reached
C.might have reached D.may reach
为什么有so far ,还选C啊
5 We are sorry that you should feel uncomfortable.
为什么用should?
4 so far 怎么理解呢
5 竟然 有点奇怪啊?
1.考察情态动词的使用,实际这句话的意思是对于高三学生而言,选则上哪所大学是他们整个高中学习生活中最令人兴奋的时刻.
must 表示“必须”,而这里只是陈述客观的事实,表示这件事“会”是这样的性质,所以选D.
2.情态动词否定的意思,mustn't 是不准,can't 表能力,是不可能的意思,根据下文工人们在搬汽油,肯定在这种情况下是不准吸烟的,所以选A.
3.That should be it,这就是我要的(我要的东西目前就是scarf,没有其他的),should 表示
(表示可能性、推测、推论或期待)可能,该,而其他选项A could 情态动词为can的委婉说法,是“能”,上文问“除了围巾有没有其他需要拿的东西?”,而that could be it 的意思却是scarf能是想要的东西,不通;that must be it,过于肯定和生硬,对于自己是否想要某种东西没有必要说必须怎样;might 又过于谨慎(“可能是”),所以should 最合适.
4.might/could have done可用于虚拟语气表示“本会做某事而没有做”,这句话完整应该是“
If the visiting delegation had set out earlier this morning(if 引导的条件从句,用虚拟语气谓语动词用过去式,be动词用were),they might have reached the airport so far,如果参观团今早早点出发的话,现在他们可能到机场了.
5.should的词条里面有
(表示感情、意志等)竟然会;应该
I'm sorry it should be this way.
很遗憾,事情竟会是这个样子.
It's strange that he should be absent.
真奇怪,他竟会缺席.
You shouldn't have told him about it.
你不该把这件事告诉他的.