the only letter which I have received is still on the shelf

the only letter which I have received is still on the shelf which letter is on the face? the english book is on the shelf The letter __ I received was from my father,用who,which,whom Which is your pen?The pen on the shelf is my pen.问句里的which是对 i just won the match i have just received a letter from my b 英语翻译please I don't still have received the package.I called Which letter is the ocean? the book on the shelf is mine.＿ ＿is＿?on the shelf划线 一道改错I'm very glad to have received the letter you sent me tw I'm very glad to have received the letter you sent me two we 英语高考短文改错i'm very glad to have received the letter you sent m