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由于很稳定,这种结构在桥梁设计中很有用Stable as it is 还是Being very stable?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/06/09 17:37:37
由于很稳定,这种结构在桥梁设计中很有用Stable as it is 还是Being very stable?
还有呢
———————many times,he has lost all his possessions(cheated)
答案是having been cheated
为什么不是being cheated?
是Being very stable.
因为是过去发生的,属于现在已完成的事实,故用现在完成时.这是语法时态的要求.