作业帮____humans die out in 2012? --- Maybe, But most of the scientists think it _____humans die outin 2012? --- Maybe, But most of thescientists think it ___ happen. A. Must, mustn’t B. Can, mustn’t C. Must, can’t D. Can, can’t 该选哪一
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____humans die out in 2012? --- Maybe, But most of the scientists think it _____humans die outin 2012? --- Maybe, But most of thescientists think it ___ happen. A. Must, mustn’t B. Can, mustn’t C. Must, can’t D. Can, can’t 该选哪一
____humans die out in 2012? --- Maybe, But most of the scientists think it _
____humans die out
in 2012? --- Maybe, But most of the
scientists think it ___ happen.
A. Must, mustn’t B. Can, mustn’t C. Must, can’t D. Can, can’t
该选哪一个?
_____ feed this
monkey some bananas? ---We ____ . Can you see the sign “No Feeding” there?
A. Why not,needn’t B. Why not, had better not C. Why don’t, needn’t D. Why don’t , had better not.
____humans die out in 2012? --- Maybe, But most of the scientists think it _____humans die outin 2012? --- Maybe, But most of thescientists think it ___ happen. A. Must, mustn’t B. Can, mustn’t C. Must, can’t D. Can, can’t 该选哪一
① C
这里,must在词法上＝have to,意思上就是“ To be determined to; have as a fixed resolve”,因为这个说的其实就是那个玛雅预言,因此表达的意思很强烈.“人类2012注定要灭亡吗?也许,但大多数科学家认为不大可能会发生.”
② A
why not在口语里是提议的用法,就是make a suggestion.如果用why don't那么后面应该有主语的,例如：why don't we fee.因此答案在A和B之间； B的问题是had better not,这个是过去式或虚拟,在这里都不合适.如果换成 would better not,那就可以了.We needn't,（为什么不.）我们不必,君不见“不得喂食”的牌子吗?
选D 呀~
D