I heard the voices, but I couldn’t _______ what they were saying.
—Thank you for having bought me a ticket for the World Expo in Shanghai!—________.
_______ what would happen, none of them could find a way out.
Students who pass the test will be ______to the next grade, as has been announced.
Now, the world’s focus is all on Shanghai ______ the 2010 world Expo is to be held.
____you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.