单选题:Thailand was once called "Land of the White Elephant" becaus 题目分类:英语四级 题目类型:单选题 查看权限:VIP 题目内容: Thailand was once called "Land of the White Elephant" because__________. 参考答案: 答案解析:
[A] keep[B] maintain[C] retain[D] protect [A] keep[B] maintain[C] retain[D] protect 分类:英语四级 题型:单选题 查看答案