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（英语选择）------ a noise just then?A.Have you heard B.Were you hearingC.Are you hearingD.Did you hear请高手讲清楚这个题目,谢谢! 什么是情态动词?有哪些?我想知道~ 情态动词都有哪些?谢谢你帮我解决我的疑问 急急急!请问各位高人英语情态动词有哪些啊?全部哦!谢谢啦! Where ( is or are) my glasses?如果回答正确, where _____ my sister's trousers. 空格里用are 还是is 阿 This is my bag .Where are ( This is my bag .Where are ( A .you B.yours c.youself我认为选B where.my.keys?A.are.b.is.where.my.keys?A.are.b.is.c.am Some workers drive bulldozers and work cranes.翻译,thx In Beijing,car ownership rules drive auto sales,求翻译, seif-employed workers中文翻译 关于“as ...as possible”的用法 His mother was ill ,so he went to a drugstore and bought some m his father went home.he finished his woke(until)变复合句 英语短文填词,希望哥哥姐姐,叔叔伯伯阿姨婶婶们帮个忙.谢谢咯With the develop of material prosperity,advertisements have become more and moer important in our daily life. Advertisements give the information about productsthere 英语的.短文填词 Whose jacket that is?是什么意思? 英文里Zoo,Garden,Park可以统称什么我的意思是英文的统称...比如UK,USA,CHINA可以统称countries... 含有wr的单词有哪些?至少十个, 用英语描述一个park或garden或 hotel wr为首字母的最恶心的词语 带有“wr"的单词两个. 含有wr的单词(最好在小学PEP里） 谁有2011年广一模的语文数学答案阿,我们推迟一天考阿,1 我家系统是win7 装不了app装app时提示There is a problem with the Windows Installer package.A program 装app时提示There is a problem with the Windows Installer package.A program required for this install to complete could not be run.Conta 如果一个人是后天的精神病,那么他天生就有精神病基因吗?她妈妈是后天得的精神病,那么她会得吗?（是生她之后得的病）. Windows Modules Installer和 Windows Installer 相同吗 wear warm读音相同吗 英语翻译标准点 /_n_f/的单词是什么啊? /f^n/ 是什么单词 We have each other,that's all that