The work ()down by the time you get hereA:will have been down B:is down C:had been downD:would have down 选什么 为什么啊

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The work ()down by the time you get hereA:will have been down B:is down C:had been downD:would have down 选什么 为什么啊

The work ()down by the time you get hereA:will have been down B:is down C:had been downD:would have down 选什么 为什么啊
The work ()down by the time you get here
A:will have been down B:is down C:had been downD:would have down 选什么 为什么啊

The work ()down by the time you get hereA:will have been down B:is down C:had been downD:would have down 选什么 为什么啊
因为句子中有明显表明时间的词语by
一般看到by the time就两种时态:过去完成时和将来完成时
by the time后面为一般现在时,说明事情还未发生,所以用将来完成时
也就是A

A,将来完成时。这句话就是说,等你到那的时候,工作就已经被昨晚了。

A 因为by the time you get here是一般现在时,所以前面只能用将来时,
当你到那儿时,工作已经完成了,是被动语态,

选A:will have been done
by the time 常与完成时连用。由于you get here 用的是现在时,所以工作的完成应该是在将来。
will have been