— I think saving water is more important than recycling paper in our daily life.— I disagree. Recycling paper is saving water.
1. I like playing _____ piano, but she likes playing ____ tennis.
Please be careful _____ your things from now on.
—_______ wallet is this? —It’s mine.
This is ______ teacher, Mr. Green.
I have ______ eraser and _____ crayon .