提问者：lanhongyu

正文

老师： Why not answer my questions? 1 as soon as引导的时间状语从句，时态遵循“主将从现”的原则，即主语是将来时，从句用现在时态。哪when,while 遵循什么原则？ Thanks! 2.He wrote very quickly, and soon ____. a.his homework was finished b.his homework finished c.finished his homework d.has finished homework (为什麽不选A) 3.-Could you tell me your telephone number again ?I____ quite catch it . a.didn't b.couldn't c.don't d.can't (为什麽不能选D)

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