The big concert,      to raise money for the victims of the hurricane in Australia, worked out very well.

The number of sharks has fallen greatly in the past three years, so measures must be taken to oppose         sharks illegally.

He managed to make himself____with his___English.

Lin Feng is said ____ abroad, but I don’t know which country he studied in.

We are so happy to see the problem _______ so quickly.

The research group ____________ 15 members has made great achievements in recent years.

Liu Xiang is believed _____ over $ 20 million in advertisements last year alone.

The American soldiers_______ Iraq kissed their families goodbye and left in a hurry.

The city is believed      over by sandstorms from AD200 to AD400.