—"I don't know," ________ John.
A. Yes, I do.
B. No, he isn't.
C. Yes, they are.
D. We often fly kites.
E. Yes, we do.
I'm Linda. I have two friends. They are Kelly and Alex. All of us are 10 years old. Kelly and I both like swimming. We always go swimming together. Alex likes playing football. He can play football very well. He is good at Maths and English. He likes helping people. We help each other. We like each other.