more than 60 percent of the world's radio programmes_in england.A.is B.was C.are d.be的理由
问题描述:
more than 60 percent of the world's radio programmes_in england.A.is B.was C.are d.be的理由
答
c 动词形式与百分数后面所描述的对象保持一致,前面是programmes .为复数,故用are