זה נכון להגיד They heard about the lottery prize while they listening to the radio???

were listening

זה לא נשמע לי נכון, משהו בחלק השני של המשפט לא נכון ככ

they heard about the lottery prize while they listened to the radio*

they heard about the lottery prize/win while they were listening to the radio
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אומרים גם:
the public announcement of the lottery
hit the jackpot in the lottery