I can't find my hat.I don' t know where I put it.（是属于什么从句?）

I can't find my hat.I don' t know where I put it.（是属于什么从句?） I can' t find my I can't find my English book. I can‘t find my giasse是什么意思 ----_______?-----I can't find my shoes. where------ my trousers?i can't find -------. I can put my hat ( ) I can't find my ruler.Can I b______ yours? I lose my purse.I can’t find it a-------. I can't find my key s______.I'm worried. I can't find my pen.May I use___(you) I can’t find I can't find I can put my hat （ ） I can't find my pen.Who________ (take)it? I can't find my English dictionary ,who___(take) it where are my shoes,i can't find them a________ where are my books?i can ’t find（ ）