Have you read the book _____ is about the moon?
— Were you at home at that time? — No, I ______ dinner with my friends in a restaurant.
— Which do you think is ______ subject, math, music or art? — Art, I guess.
Mike invited me ______ tennis this weekend.
— What about this dress? — I don’t like the colour. Please show me ______ one.
— Could I borrow your dictionary? — Of course you ______.