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

There are many skirts in this shop. I can't choose                  .

—Excuse me, Jack. ______ my backpack? —Under the bed.

— How long are you staying there?    —____________.

—           do you surf the Internet, Kate?   — Not often, twice a month.