The fish(has been dead)for two hours and a half.为什么不用has died?

The fish(has been dead)for two hours and a half.为什么不用has died? The fish(has been dead)for two hours and a half.为什么不用has died? only after the last tree has been cut downonly after the last river has been poisonedonly after the last fish has been caughtonly then will you find that love cannot be eaten谁帮我翻译一下?谢谢了```` As the oceans have been overfished,fish has become more and more expensive.请问fish后为什么跟has,不是应该跟have吗,因为fish这里应该是复数. Lots of waste has been dumped into the river ,which had led to ____A lots of fish having been killed B kill lots of fish C lots of fish being killed D lots of fish to kill请排除着做,我选的是第三个,你讲讲为什么你选 The dream has been awake since The fish,which has since been sent to a museum where it is being examined by a scientist,is called an oarfish. since在这里是什么意思?the fish,which has 【since】 been sent to a museum where it is being examined by a scientist,is called an oarfish. The fish ,whih has since been sent to a museum where it is being examined by a scientist ,is called an oarfish.中的since是什么意思? 请详细讲解以下句子The fish,where it has since been sent to a museum where it is being examined by a scientist,is called oarfish. 英语翻译4.But no one has been able to prove that fish is any better for the brain than many other kinds of food The fish,which has since been sent to a museum where it is being examined by a scientist,is called an oarfish. The fish puts the eggs that a m___fish has laid. Your account has been de-activated不能使用了吗？ THE FISH 和 FISH The fish smells u_______________,it has gone bad. the cat has a big fish (否） Great quantities of fish ______ in the river in the past few days.A.is caught B.are caughtGreat quantities of fish ______ in the river in the past few days.A.is caught B.are caught C.has been caught D.have been caught