many of our dreams__impossible in the past have come true （a)were considered （b)considered为什么不选A呢

这里选B
这个句子其实就相当于Many of our dreams which were considered impossible in the past have come true.句子的主干就是Many of our dreams have come true,但是是那些dreams呢?就是dreams which were considered impossible in the past,所以这里直接用considered就可以了,比较简洁.
如果用were considered的话,这个句子就会出现只有一个主语,却有两个谓语动词,但缺少一个连词将这两个并列的谓语动词连接,所以是错误的.这种情况下只能改为Many of our dreams were considered impossible in the past, and now they have come true.

1.“在过去我们认为不可能实现的梦想，现在已经实现了。”have come true 表明了句子的时态，也说明了它才是这个句子的谓语动词。
2.缺少部分既然不能作谓语动词，那么就只能选非谓语动词。

many of our dreams__impossible in the past have come true a)were considered （b)considered这是一个非谓语的考点在这道题中have是这个句子的谓语一个句子只能有一个谓语梦想被认为是不可能实现的所以选B过去分...