When you come into the exhibition hall，you can see a large board with a notice o
题型：不详难度：来源：
When you come into the exhibition hall，you can see a large board with a notice on it，saying visitors__________not to touch the exhibits.| A．will request | B．request | | C．are requesting | D．are requested |
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答案
| D |
解析
| “request sb.(not)to do sth.要求某人(不要)做某事”是固定结构,根据题干,应使用被动语态。 |
举一反三
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