The 8.0-magnitude quake，centered in Wenchuan County，more than 69000 people dead．

John does important research _______ the best ways to help the old.

The “new” J__________ promises to be impossible.

The tigers are_______ and I don’t like them.

ing to Charles Keeling, the amount of carbon dioxide ________ sharply and steadily over the forty years between 1957 and 1997.