B.请根据句意从方框中选择合适的词，并用其适当形式填空，使句子通顺。

far  hope  we  live  thirty

The ________ Summer Olympic Games will open in London on July 27, 2012.
Stand higher, and you will achieve more and go ________.
—Oh! I came in a hurry and I forgot to bring food.
—Never mind. You can have _______.
Our earth is becoming more crowded and polluted. _________, we can build a better world on Mars.
Mr. Lee is one of the most popular teachers in our school. He always makes our class ________ and interesting.