关于英语的问题when,themuseumwillbeopentothepublicnextyear.A.completedB.completingC.beingcompletedD.tobecompleted这个题选A我不明白为什么不选D

Question

关于英语的问题
when____,the museum will be open to the public next year.
A.completed B.completing C.being completed D.to be completed
这个题选A 我不明白为什么不选D

Answer 1

这道题前面补充完整应该是when the museum is completed,是个一般现在时的被动语态,be动词可以省略,省略之后就变成when completed.而D选项是个一般将来时的被动语态,补充完整是when the museum is to be completed,...