It is reported that a man _（survive）more than 70 hours without water.
问题描述：
It is reported that a man _（survive）more than 70 hours without water.
横线上的时态是否应该是过去完成时,因为survive实在report之前完成的
答
当然不用.一个人在没有的水条件下可以生存70小时是一个客观事实,一般时态就可以.It is reported that...（据报道说）和It is said that...（据说）一样是固定句型.