To make our city more beautiful, rubbish _________ into the river.A．needn’t be
题型：不详难度：来源：
To make our city more beautiful, rubbish _________ into the river.| A．needn’t be thrown | B．can’t thrown | | C．mustn’t be thrown | D．may not thrown |
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答案
| C |
解析
试题分析：句意为：为了使我们的城市更美丽，禁止往河里扔垃圾。根据语境，本句的主语是动作的承受者，应用被动语态。另外，表示禁止、不允许应用mustn’t。故选C。 |
举一反三
---Must I finish my homework now ? ---No, you ________| A．shouldn’t | B．mustn’t | | C．needn’t | D．can’t |
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—Whose shirt is this?
—It ______ be Li Lei’s. It is too big for him.| A．could | B．must | | C．might | D．can’t |
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Teenagers _______ allowed to drive in the street．| A．should not be | | B．should be not | | C．not should be | | D．shouldn’t |
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— Can we leave the classroom now?
— No, you ______. You ______ to leave until the bell rings.| A．mustn’t, are allowed | B．don’t have to, are allowed | | C．needn’t, aren’t allowed | D．can’t, aren’t allowed |
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| — Is Jim coming by train? —I’m not sure. He _________ drive his car. |
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