. Expo 2010 Shanghai China will offer ____ wonderful opportunity for ____ cross-culture dialogues.A. a; 不填 B a; the C. 不填; the D.the; 不填
— Do you happen to have twenty dollars on you? — ____? — I want to buy a reference book.
— Can you post these letters for us on your way home? — ____.
— Have you heard that Susan has been elected mayor of the city? — After working so hard for so many years, ____.
— I’m so tired, working all morning on the farm. — Why not take a rest , then? — ____.
— I think you look very nice in the red dress. — ____.