As no pumas had been reported missing里面的had been能不能换成was呢?
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As no pumas had been reported missing里面的had been能不能换成was呢?
关于新概念3第一篇课文中的这个句子,
关于新概念3第一篇课文中的这个句子,
用had been更准确,had+过去分词表示过去完成时,表示到过去某个时间点为止,没有任何美洲豹失踪的报道.
As no pumas had been reported missing里面的had been能不能换成was呢?
no pumas had been reported missing
ZOO后为什么不加S As no pumas had been reported missing from any zo
新概念英语第三册第一课有句话:“As no pumas had been reported missing from a
As no pumas had been reportedmissing from any zoo in thecoun
英语句子不理解no kangaroo had been reported missing from any local
No kangaroo had been reported missing from any local zoo.这里m
请教前辈一个英语问题 As no puma had beed reported missing f
had been 是 was 的过去式吗
was done和had been done的区别
The cake was excellent ,____ A as had been the coffee B as w
had been的否定形式