—Whose ball is this? —It’s _____.
---How long have you been learning Japanese? ---I’ve been learning it ____________.
---I argued with my best friend . what advice do you have for me? ---Well, you _________ say you are sorry, although it’s not easy.
---Would you please tell me _____________? ---Leave it on the table, please.
Don’t bring food to the library, or your teacher will ______.
My brother _____while I ______.