题目内容：
Important ________ his discovery might be, it was regarded as a matter of no account in his time. 选择一项：
A. as
B. until
C. when
参考答案：
选择题：Important ________ his discovery might be, it was
- 题目分类：人文英语4
- 题目类型：选择题
- 查看权限：VIP
选择一项：
A. as
B. until
C. when