你想知道盒子里装的是什么,你会问:________A.Who's that? B.Who's this?C.What's in the box?
—What club does George want to join? —The art club. —_________ —I think so.
—Can you pass me the pens? —_________ —Are they on the desk? Oh, no. I see. They are near the window.
—Good afternoon, Mr. Brown._________ —Yes, he's at home. Come in, please. —Thank you.
—I think she's from Canada. —_________
Where would you see this notice — EVERY THINGHALF-PRICE?