When and where to build the new bridge (has nWhen and where to build the new bridge (has not been decided)yet.为什么括号里要填has not been decided

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When and where to build the new bridge (has nWhen and where to build the new bridge (has not been decided)yet.为什么括号里要填has not been decided

When and where to build the new bridge (has nWhen and where to build the new bridge (has not been decided)yet.为什么括号里要填has not been decided
When and where to build the new bridge (has n
When and where to build the new bridge (has not been decided)yet.为什么括号里要填has not been decided

When and where to build the new bridge (has nWhen and where to build the new bridge (has not been decided)yet.为什么括号里要填has not been decided
首先括号里边填的是现在完成时 现在完成时表示过去发生的动作一直持续到现在.而且还可能继续持续.建桥这件事不能自己决定自己.所以是被决定.也就是到现在为止什么时间建在哪建桥这件事还没有被决定.