【请教】一般将来时和将来完成时有什么差别
问题描述：
【请教】一般将来时和将来完成时有什么差别
It is said that a new robot________ by him in a few days.
A.designed
B.has been designed
C.will be designed
D.will have been designed
为什么选c不选d?有什么差别?
答
如果选择D,是将来完成时,它表示在将来某个时刻一定已经完成的事情.比如,I will have finished my task by 2 o'clock .表示到了两点那个时候,我一定已经完成了任务,是非常确定的事情.而在这道题里面,是It is said tha...