首页 > 中学英语试题 > 题目详情
The astronaut did many experiments in the spaceship,__________________much help for knowing space. A...
题目内容:
The astronaut did many experiments in the spaceship,__________________much help for knowing space.
A. which we think it is B. which we think are of
C. of which we think is D. I think which is of
本题链接: