some加可数名词单数还是复数怎
some加可数名词复数或不可数
Some加可数还是不
some后面加可数名词复数是几年级的知
some后面的可数名词
some用在可数名词还是不
some可
some加不可数名词后面是单数还是
some加可数名
some后面加可数还是不
