My keys are in my bag.             keys under that desk aren't mine.

You will find ______ useful to learn even a little English.

—What’re _____ favorite animals?        —My favorite animals are dogs. 

—The shoes don’t fit me. Would you please show me ______ ?—Sure. Here you are.

—Wow! What a lovely e-dog! Is it yours?—Yes, it’s ______. My father bought it for me yesterday.