Tina, is this schoolbag? ——Yes,it’s mine.
Do you know the name of the cat ______ is lying on the ground? –Of course, it’s my pet. Its name is Mimi.
_________she was having supper , her telephone rang.
Don’t spend __________ time playing computer games . It’s bad for your eyes.
Who helped you repair your bike?—________ ! I repaired it all by myself.