The middle-aged man is ready to risk _____ his life to save his son.

I hear you won the prize in the English contestlast week. —That was the second time I ________ theprize.

下列各句中，没有语病的一句是

few years, the coal workers___________ their lungs X-rayed to ensure their health.

下列各句中，没有语病的一项是（ ）