问题描述：
Some are red,some are white（ ）some are
Some are red,some are white（ ）some are blue.A.but B.or C.at D.and 选哪个
Some are red,some are white（ ）some are blue.A.but B.or C.at D.and 选哪个
问题解答：
我来补答展开全文阅读