题目内容：
Air cannot be an element _____ an element cannot be separated.A. in that B. except that
C. but that D. now that
参考答案：
选择题：Air cannot be an element _____ an element cannot b
- 题目分类：河北建筑工程学院-建筑学-大学英语1
- 题目类型：选择题
- 查看权限：VIP
A. in that B. except that
C. but that D. now that