单项选择题

A．In an apartment.
B．In a bookstore.
C．In a classroom.
D．In a library.
<上一题 目录 下一题>
热门 试题

填空题
reduced
填空题
Copemicus(哥白尼)showed that, ______(远非宇宙的中心), the earth is just one of many small worlds.
相关试题