题目内容

—Must we finish our homework today?

    —No, you                    . You                   finish it the day after tomorrow.

A. needn’t; must  B. mustn’t; can                        C. needn’t; can       D. mustn’t; can

 

【答案】

C

【解析】

试题分析: 句意:我们必须今天完成我们的作业吗?不必。你可以后天完成。needn’t不必,must必须,can可以。must的否定回答为needn’t,不是必段今天完成而是可以后天完成,故选C

考点:考查情态动词。

 

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     1970 was World Conservation (保护) Year. The United Nations wanted everyone to know that the world
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necessary. Many are helping to save our world. They plant trees, build bridges across rivers in forests, and
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(     )1. The United Nations wanted everybody to know that the world is in danger.
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