We found the key _____ she lad left it这句话中lad怎么用语法解释呢?

the key,___ he lost ,has been found We found the key _____ she lad left it.为什么? 状语从句填入适当的引导词1.He won't be here ___ he is invited.2.He will not go to the cinema ___ he is very busy.3.We found the key ___she had left it.4.We found the book two days __ they had gone away.5.We had no sooner got to the station we found the key where she had left it.是个什么从句 We found the beautiful scenery beyond description The beautiful secery ___ us ___. we found the key where she had left it 是宾语从句还是状语从we found the key where she had left it是宾语从句还是状语从句 We found ___ ___ in the garden that day.（发现她在哭） We found the key _____ she lad left it这句话中lad怎么用语法解释呢? Albert found the key ( ) ( ) yesterday.Albert found the key. I lost the key yesterday.(合并为一句） P______,he has found the key to the door填空 find the key ___ his bicycle介词 Albert found the key.I lost the key yesterday.（合成一句） Albert found the key.I lost the key.(合成一句) Xiao Wang found the key.i lost the key yesterday变为定语从句 Alice found a key( ) the door on a small table in,the,that,your,and,lost,found,box,key,is What tables are often found in the fieids?key;____ The boy found a key on the table是什么句子结构?We all thought him a teccher.又是什么句子结构呢?写出理由.