The police found that the house had been broken into and a lot of things ____

问题描述:

The police found that the house had been broken into and a lot of things ____
为什么是stolen 而不是 had been stolen
如果一定要用had been stolen 有严格的语法错误吗?

stolen 在这实际上就是had been stolen的省略式,只是为了避免重复才这样的.
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