I lost some(key)

I lost some(key) I lost my key ——(some)where near hear i must have lost my key~ i lost my key和i have lost my key有什么区别? I'm sorry,I lost the key.怎么回答 What happened,Tom?---I lost my key __ the door. I don't know ___ Joe found the lost key. Xiao Wang found mo the key ______ I lost yesterday. I've lost the key to the house. Xiao Wang found the key.i lost the key yesterday变为定语从句 Albert found the key.I lost the key.(合成一句) Albert found the key .I lost key yesterday(合并为一句）