Do you know PC is the short from of p____ computer?

Do you know whats the p____ of a ticket from ChongQing to Sh Do you know the meaning of these short forms? Do you know the man_________ computer is left here? Do you know whose the computer is?Do you know____ the comput Do you know the short form of"for example"?I think it( )( )" I know from the postmark that this p____ is from New York. 填空：Do you know( )the capital city of China is? Which of the two books is ____,do you know? do you know what is the meaning of it? Do you know who is the a________ of this book? --Do you know what the population of Shanghai is?--____. [ ]do you know is the population of Canada?