题目内容
He made another wonderful discovery, ________ of great importance to science.
A. I think which is
B. which I think it is
C. which I think is
D. which I think it
答案:C
解析:
解析:
which引导一个非限制性定语从句,同时在定语从句中作动词is的主语。
|
练习册系列答案
相关题目
________that he made an obvious mistake,Jeff went on with his speech.
| A.Not realized | B.Not realizing |
| C.Not to realize | D.Not to have realized |