Although you may meet some difficuIties,you should never .
---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_____.
---You play basketball very well!--- .
–If you have any trouble, be sure to call me. – __________________