Have they found the missing child yet?missing为什么Have they found the missing child yet?missing为什么是ing形式?

They have not found the solution of the problem.改错 Have they found the missing child yet?missing为什么Have they found the missing child yet?missing为什么是ing形式? The police have s____ the building,but they found nobody in it. The police still have not found the lost child, but they’re doing a来了t they _______ .【A】 they have found out a great deal They have found the way to Magic Parade.怎么改为被动语态? 用语法分析The police still have I found the lost child,but they're doing aboThe police still have I found the lost child, but they’re doing about they can Have they found a way to stop the flu in the school?Yes,they have already ( )up with an ideaA.looked B.put C.come D.get Finally,they found the boy (同义句) They found the child.(否定句) The police found they(give)wrong information The police have found the lost boy.为什么用have found而不是has found? They have to stay with us ___ the tune being because they have not found a place yet.A.duringB.inC.forD.since 英语翻译They were good persons.Where they went,there they werewarmly welcomed.You should have put the book where you found it.谢. --what have the scientists found?--They've found how fat___and stored.A produced B is produced C is producing D has produced 选择哪项?为什么?怎么译? They have already found their money(改否定句) They -------- already found their money. They found that interesting to have a picnic in the open air?哪错了?怎么改? They found the lecture hard . 　　A. to be understood B. to understand 　　C. for understandingD to have been understood