There are 19 red balls, 20 yellow balls, 15 green balls and 24 blue balls in a bag. How many ballsmust be taken out at least to make sure each color is picked?翻译和解题

There are red balls改为同义句 on the tree,there are two red apple. there are red apples.划线提问 划线的为five There are always three lights ：red yellow and blue.改错 there are always three traffic[ ](灯):red,yellow and green How mang red things are there?的汉语 how many apples are red?能这么问吗?how many red apples are there?这么说更顺些吧. There are four ____________ on the floor .[ ]A.pair of red shoes B.pairs of red shoe C.pairs of red shoes D.pair of red shoe There are three colours in the t____l____.They are red,yellow and green There are many t___ in the field.Their colors are red and yellow there is the red There are ____in the shop?A.many nice short new red Chinese coatsB many nice new red short Chinese coatsC many short new Chinese red nice coats Look!There are lots of ________ birds flying over the trees.A.funny red little B.funny little redC.little funny red D.little red funny prev.bal. Beg Bal There are two desk.The red one is mine.这句话对吗? There are some apples in the red bag.(改为单数句) There are always three in every country:red,yellow and green.