14_______on May 12,2008, Wenchuan county has taken on dynamic new look gradually two years since then

The book has been translated into thirty laguages since it ____ on the market in 1973

The islands developed on their own for 80million years and ________ have many rare animals found nowhere else

Life on Mars will be better than ________on Earth ______ many ways.

We were very busy yesterday.Otherwise we _____part in the discussion.