她用一团棉花塞住了漏水的管子。

She used a ___wad of cotton to plug the leaking pipe.

他从口袋里掏出一叠钞票付了账单。

He took out a ___wad of bills from his pocket to pay the bill.

她把废纸揉成一团扔进了垃圾桶。

She ___wadded the scrap paper into a ball and tossed it in the bin.