题目内容
By careful observation and precise calculation, Nicolaus Copernicus _____ that there is no one center
in the universe and the sun is the center of the solar system.
in the universe and the sun is the center of the solar system.
[ ]
A. believed
B. thought
C. concluded
D. imagined
B. thought
C. concluded
D. imagined
C
练习册系列答案
相关题目