If there hadn’t been so much smog in Beijing, we______________ the beautiful sce
题型：不详难度：来源：
If there hadn’t been so much smog in Beijing, we______________ the beautiful scenery across the Tiananmen Square.| A．enjoyed | B．would have enjoyed | C．had enjoyed | D．would enjoy |
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答案
| B |
解析
试题分析：句意：如果在北京没有这么多烟雾，我们在穿过天安门广场时能够欣赏到很多漂亮的风景。if引导的从句如果表示与事实相反或是假设，要用虚拟语气。本题中对过去进行虚拟，主句用would have done.
点评：if的虚拟语气非常重要，简要概括如下：1、表示与现 在事实相反的情况，从句：If主语+过去时(Be动词用were)；主句：主语+should/would/could/might+do： 2、表示与过去事实相反的情况，从句：If主语+had+done；主句：主语+should/would/could/might+have done 3、表示对将来情况的主观推测，从句：①if+主语+were to do②if+主语+should+do ③if+主语+did（动词过去式）/were ；主句：主语+should/would/could/might+do |
举一反三
—Hi, Tom. Any idea where Jane is?
—She_____in the classroom. I saw her there just now. | A．shallbe | B．shouldhavebeen | C．mustbe | D．can be |
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Students urged that the school library ______open during the long vacation.| A．be kept | B．kept | C．must keep | D．must be kept |
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—Daddy, can you buy me a new MP3 when you go to Beijing?
—You ______ get one if you are admitted to a key middle school. |
—Could I use your bike?
—Yes, surely you ______.| A．might | B．will | C．can | D．should |
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They advocate the proposal we were opposed ______ rediscussed at the next meeting.| A．to be | B．should be | C．to was | D．was |
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