become共8篇 has become还是has becamehasbecome。因为has后面要接动词的过去分词形式，动词become的过... become的过去分词是什么become的过去分词写法不变，仍然是become，除此之外，become的过... become的用法become用作系动词时,意思是“成为,变得”,表示情况的开始、发展和... 上一页 下一页
