题目内容
4.-Look!Someone is cutting a tree on the moon.-It be true,Granny.Mum says there is no air there.( )
| A. | can't | B. | mustn't | C. | may | D. | should |
分析 --看!有人正在月亮上砍一棵树.
--这不可能是真的,Granny.妈妈说那儿没有空气.
解答 答案:A 考查情态动词.根据句意妈妈说那儿没有空气.应该是不可能是真的,要用否定的,故先排除C、D.mustn't在英语中不能用于表示推测,但是可以表示"禁止/不允许"之意.can't/couldn't表示推测时,意思是"不可能…",语气非常坚决的否定推测.故选择A.
点评 考查情态动词.准确的翻译句子及备选答案.然后根据题意选择最符合题意的选项.
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