来自李传荣的问题
50percentofthestudentsinthistwinbrothers_____playingfootball谓语动词用单数还是复数
50percentofthestudentsinthistwinbrothers_____playingfootball
谓语动词用单数还是复数


50percentofthestudentsinthistwinbrothers_____playingfootball谓语动词用单数还是复数
50percentofthestudentsinthistwinbrothers_____playingfootball
谓语动词用单数还是复数
50percentofthestudentsinthistwinbrothers不通呢,打错了吧