By the time you have finished this book ,you_____cold.

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By the time you have finished this book ,you_____cold.
A gets B has got C will get
为什么不用B
you have finished this book 不是表示现在吗
为什么By now ,we have
your meal 打漏了

By 接时间点, 表示“截止到某个时间为止” 常用完成时态
you have finished this book 是现在完成时态,它表示其动作或状态从过去的某个时间开始,一直持续到某个时间,或者对现在造成某种结果或影响.明显这个句子是强调对现在造成的某种结果和影响.
这个句子其实是一个假设,也就是状语从句, 前面是强调对现在的影响,所以后面用将来时,因为现在还没有感冒! B 选项是现在完成,那这个时态放句子里表示什么意思呢?由现在完成本身的含义可知是错误的.A 表明的是现在的状态,但是这个是一种假设,现在还没有感冒!所以,答案选C
再问： By the time +完成时后接的都是将来时吗
再答：不是啊！要看你用的是什么句子！例如：By the end of last year , this factory had produced more than two million cars . 截止到去年年末，这家工厂已经生产了2oo万两汽车！这里表示的是过去完成的动作，主句是过去完成时！

By the time you have finished this book,your meal will get c By the time you have finished this book,your meal ______ col have you finished (read) the book yet --- Have you finished reading the book? by this time tomorrow we have finished the work.这句话哪错了?怎么改? i shall have finished writing the article by the time you ge you must have the paper finished by the end of this month by the time you have finished your homework ,your meal _____ 英语时态题have you finished _____(read)this book? I will have finished the homework by the time my Have you finished ___the book? Zhang Lan ,have you finished ( ) the book Harry Potter?