赣南脐橙批发市场:The technicians will have installed the computers __________ the end of December.

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A:at
B:in
C:by
D:to

C(将来完成时) 同意！

C(将来完成时)

C
-----------------
将来完成时
概念
a. 状态完成：表示某事继续到将来某一时为止一直有的状态。
b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。
They will have been married for 20 years by then.
You will have reached Shanghai by this time tomorrow.

C(将来完成时)

The technicians will have installed the computers __________ the end of December. I will be the first`?`` Nobody will be the wiser. the will to live?是什么意思? I promise that the matter will ___. Who will attend on the orphans? that will be the day 是什麽意思？ I will leave the net! 什么意思？ I will leave the net! 什么意思？。。 Prosecutors will seek the death penalty ...