--- Is it your watch ?--- No, it’s ________.
--- Where is my watch, dad?--- I don't know. You can ask your mother _____ help.
---Mary_____ every day. She likes to do it.---So she is very healthy.
---Is this _____ schoolbag?---No, it isn’t. _____ is black. But this one is white.
---Is Sonia your_____?---Yes, she and I are in Class 4,Grade 7 at Blue School.
---Can you play ping-pong?---No, I can’t. It’s_____.