Do you know the 3G mobile phone will come into the market soon–Really It is said to be superior ____any other model. I can’t wait to buy ____.

There is usually ________ in summer in Yangzhou, it helps crops(庄稼) grow well.

s attended the Olympics Games three times, so he has the _________ of rich experience.

What will you do during the coming winter vocation?—— I don’t know, but it’s about time ______ something

John opened the door. There_______ he had never seenbefore.