2. 外语
  3. ______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.

______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.

admin2010-02-22  43
问题 ______ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.
选项 A、It is the sun and not the earth
B、Being the sun and not the earth
C、The sun and not the earth
D、That the sun and not the earth
答案D
解析
转载请注明原文地址:https://kaotiyun.com/show/6n9K777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)