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高中英语单项选择,每题求讲解1 David thought his cellphone was broken() his sister pointed out that he had forgotten to turn it on.A until B unless C after D because 我选C为什么错?2 They had spent too much time ()advantages and disad Advantages and Disadvantage of JIT the advantages and disadvantages of cell phone The advantages and disadvantages of teleworking. advantages and disadvantages of smoking 怎么回答 写一篇 fast food' advantages and disadvangtaes advantages and disadvantages 两个词的近义词 It has advantages and ______(advantage). has its merits and demerits / advantages and disadvantages 英语作文the advantages and disadvantages of computer What are the advantages and disadvantages of working from home? Discuss the advantages and disadvantages of advertising(英语作文） The disadvantages and advantages about the Three Gorges Dam advantages and disadvantages of the Internet 80字作文 英语作文The advantages and disadvantages of space travel what are the advantages and disadvantages of Intrernetabout comversation 1.Discuss the advantages and disadvantages of advertising. advantages and disadvantages of online learning晚上要用,