重点句型(Uni7 Teenagers should be allowed to choose their own clothes) 同步练习参考答案 I.1.A解析:t是修理的对象,故和 repaIr之间是被动关系,故用过去分词,选A项 2.C解析:only置于句首,修饰时间状语从句 when the work is done,故其后句子用部分 倒装;根据句意“只有当工作完成时,你才能回家”可知遵循“主将从现”原则,故选C 3.D解析:根据主语i可知指代“你的课桌”,是动作的承受者,故用被动语态; should 是情态动词,故选D项 I. 1. dont; should 2. get; washed 3. shouldn't be 4. shouldnt be allowed 5. take good care of II. Attention, please! I'd like to tell you something about the rules of the school reading room. The reading room is open between 5: 00 pm and 6: 00 pm from Monday to Friday. It's also open between 8: 00 am and 11: 30 am on Saturdays. After you enter the reading room. you should keep it clean and quiet. Firstly you are not allowed to read aloud or have snacks; secondly, you are not allowed to use your cell phones or smoke: finally you are not allowed to take the books or magazines out of the reading rooms. I hope everyone can obey the rules. Thats all. Thank you重点句型（Unit 7 Teenagers should be allowed to choose their own clothes） 同步练习参考答案 Ⅰ. 1. A 解析：it 是修理的对象，故 it 和 repair 之间是被动关系，故用过去分词，选 A 项。 2. C 解析：only 置于句首，修饰时间状语从句 when the work is done，故其后句子用部分 倒装；根据句意“只有当工作完成时，你才能回家”可知遵循“主将从现”原则，故选 C 项。 3. D 解析：根据主语 it 可知指代“你的课桌”，是动作的承受者，故用被动语态；should 是情态动词，故选 D 项。 Ⅱ. 1. don’t; should 2. get; washed 3. shouldn’t be 4. shouldn’t be allowed 5. take good care of Ⅲ . Attention, please! I’d like to tell you something about the rules of the school reading room. The reading room is open between 5:00 pm and 6:00 pm from Monday to Friday. It’s also open between 8:00 am and 11:30 am on Saturdays. After you enter the reading room, you should keep it clean and quiet. Firstly, you are not allowed to read aloud or have snacks; secondly, you are not allowed to use your cell phones or smoke; finally, you are not allowed to take the books or magazines out of the reading rooms. I hope everyone can obey the rules. That’s all. Thank you