How did she lose so much weight as expected?— ________eating less, she jogged for several miles every day[ ]

下列各句中没有语病的一句是（ ）

On seeing Jay Chow appear on the stage, the audience________cheering.

Taobao is Asia’s largest retail（零售的） network platform, ______ people can buy and sell many kinds of things．

In 1998, when he was only 19, Bill _____ to 5 years in prison for his acts of violence.