脑筋急转弯.1.We often see some English letters on envelops.What d

脑筋急转弯.1.We often see some English letters on envelops.What d We often see some English letters on envelops.What does "p.p (1)We often see some English letters on enveropes(信封) P.P me 脑筋急转弯:What two words contain all kinds of letters? What is it that we never borrow but often return?脑筋急转弯 English脑筋急转弯! 脑筋急转弯what can you see with your eyes shut 英文脑筋急转弯.1.If QMNF is the code for some,what is the code for 英语脑筋急转弯what two words contain all kinds of letters? 脑筋急转弯：What three letters make a man of a boy? 英语脑筋急转弯 What always travels on foot? English Riddles 英语脑筋急转弯