下列各句中，没有语病的一句是

Do you need any help with the box —No, thank you. I can _____ to make it.

That night the band played many old songs, __________ the famous American song Country Road by John Denver.

Attackers in China’s Xinjiang region crashed two cars into shoppers at a market in May, 31 people.

The agent was about to sign his name to the document ________，to our surprise，a stranger broke in to prevent him.