题目内容
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 it is |
A
解析
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 |