单选题:The Viking are believed ( )America. 题目分类:公共英语四级 题目类型:单选题 查看权限:VIP 题目内容: The Viking are believed ( )America. A.to have discovered B.to discover C.in discovering D.to have been discovered 参考答案: 答案解析:
Ever since the family moved to the suburbs last year, they( Ever since the family moved to the suburbs last year, they( ) better health.A.c 分类:公共英语四级 题型:单选题 查看答案