题目内容
[1998上海] He made another wonderful discovery, ________ of great importance to science.A. which I think is B. which I think it is
C. which I think it D. I think which is
答案：A
解析：
提示：
解析：
| 非限制性定语从句
|
提示：
练习册系列答案
相关题目
57.[1998上海] If ________ the same treatment again, he's sure to get well.
|
A. giving |
B. give |
C. given |
D. being given |