CNN 《Company Uses Drones In
Reforestation》There's multiple drones operating to perform a task simultaneously.这里的operating怎么理解?其后的to perform是作名词定语,还是表目的呢?
Many of the reductions over the past 30 years have been achieved either
by reducing the amount of sugar, salt or fat in a product, or by finding
an alternative ingredient.这个句子have been achieved是什么时态
Her father’s
estate was entailed on a cousin.Your estate
should be entailed away from your own children.刘老师您好,上面两个句子可以理解为被动语态中引出动作执行者的介词不一定是by,还是说这种句子不是标准的被动语态?谢谢!
The largest international database has helped police find out many
crimes which at one time would have ______ unsolved.A.remainedB.maintainedC.keptD.left