1.___your is brother -The boy in blue A.Who B.What

问题描述:

1.___your is brother -The boy in blue A.Who B.What

选A.原题应该是___is your brother吧.如果用what表询问你哥哥的职业.由下句”穿着蓝衣服的男孩”可知是询问对象,所以用who.