—You can’t smoke here . Look at the sign.         —Sorry, I __________ it.

—Excuse me. _______ is your pen pal from?—He’s from Australia. We have been pen friends for three years.

I don’t know what kind of pet __________.

—What’s the woman with a ponytail like? —She doesn’t talk much, _____________________.

—_____ does your mother go to work every morning?—At eight o’clock.