On seeing Jay Chow appear on the stage, the audience _____ cheering.

In order to be a strong and effective partner with the Asia Pacific region, American president Obama thinks it absolutely to have a strong relationship with China．

be worried about his safety．______, he is aneighteen-year-old young man.

The Chinese are proud of the 29th OlympicGames _____ in Beijing in 2008.

Whom did she try to avoid meeting?—________ was a certain boy with the intention of marrying her.