---Look at the glasses on the desk. Are they David’s?---They      belong to him. I saw him go out with glasses just now.

— Wow! You look different! You            wear glasses.— Yes, I did. But now I am wearing contact lenses(隐形眼镜).

—Please don’t tell anybody．—I     . I promise．

You _______have a wrong number. There’s no Mr Johnson here.

--- Isn’t it Ann’s husband over there?---- No, it ______ be him---I’m sure he doesn’t wear glasses.