题目内容：
The United States is composed of fifty states,______ are separated from the others by land or water.A、 two of which
B、 two of whom
C、 two of them
D、 two of those
参考答案：
选择题：The United States is composed of fifty states,____
- 题目分类：石家庄铁道大学-大学英语III
- 题目类型：选择题
- 查看权限：VIP
A、 two of which
B、 two of whom
C、 two of them
D、 two of those