disappeared 和discovered

disappeared 和discovered Disappeared disappeared是什么意思? The sheep（ ）one after another since last week.（has disappeared / have disappeared / are disappearing / are disappeared）这题应该选什么,说出正确答案的理由和其他三个选项为什么不选的理由, disappeared down a drain,down 放在这里什么含义?down做什么词性？我觉得是介词，disappeared under the drain。和under的关系差不多 the beautiful disappeared给你 disappeared是什么词性 Please disappeared from my world Please disappeared from my world (1/2)英语翻译Satire is a sort of glass,wherein beholders dogenerally discove 英语翻译The past disappeared 中文翻译! The uniform that had hardly changed since day one has now disappeared这话 什么意思?这里的hardly和day one是什么意思? 改错：She was disappeared from the house. The sudden approval. disappeared中文翻译是什么 the chocolates were gone 还是disappeared Has disappeared like the original that you! 英语翻译can you tell me how long dinosaurs -------- on the earth before they---------?A had existed ; disappeared B had existed; were disappeared C have existed ; disappeared D have existed ;were disappeared is seems that she disappeared这句话对吗 I have forgotten you and disappeared from your