One of the boys_____ a black hat.为什么要用has

One of the boys_____ a black hat.为什么要用has One of the boys_____ a black hat.A have B there is C there are D has 应选择什么 请说清楚点 There are many boys_____(swim) in the river now.适当适当形式填空.说说理由.谢谢!There is one of my ______(dictinary) in his hand. Please ask the boys_____(not,play)on the street. look!the boys_____(play)football there正确形式填空 There are two boys_____(sit) under the big tree one of the one of the most one hundred of the ... One of the best one of the first... Jsut one of the be one of the造句 one of the attractions翻译 The one of three years in one of the翻译 one of the most famous one short of the six