The old pen is broken, I’d like ______ one to write with. 

. –Mary, is this ______ umbrella?--No, it’s not mine. It is _______.

—Is the woman a teacher? —Yes. She teaches ________ English. 

We must protect plants. They are friends of ______.

—Mike , is that new bike  ________ ?—Yes. My mother bought it for me yesterday.