You can choose _____book you like in the library.

It's really noisy outside. I would appreciate ____ if you raise your voice in order to make yourself _______ in the back. 

–What ________ would you like to buy? –Some cakes, please.

--- You often talk with your classmate on the telephone or mobile phone? --- _____． I like using QQ．

—— Have you found the bike you lost yesterday? —— Yes, I've found ________ already.