注意：此页面搜索的是所有试题
题目内容
（河北建筑工程学院大学英语3）
Air cannot be an element _____ an element cannot be separated.得分：4分
A.in that
B.except that
C.but that
D.now that
A.in that
B.except that
C.but that
D.now that
参考答案
