one third of the land covered with ice (谓语动词单数复数?)

one of the +n.复数谓语动词用单数还是复数,one of +n.复数呢? 那 one third of the land is covered .填介词snow one of the 跟one of 后面跟定语从句,谓语动词用单数还是复数 one of the加可数名词复数后面的谓语动词是用复数还是单数 only one of,the only one of 做主语,谓语动词分别用单数还是复数?尤其是only one of one of them 谓语动词单数还是复数 one-fifth of the five apples 做主语,谓语动词用单数还是复数啊? one of the 后接可数名词的单数还是复数谓语动词用什么 当one of the books做主语,谓语动词用单数还是复数 1One third of the country _(be) covered with trees 2One thir One-third of the country _____ covered with trees and the ma One third of the country _____ covered with trees and the ma