单项选择题

A．Thousands of years ago.
B．In the 17th century.
C．In the 19th century.
D．In the early 20th century.
<上一题 目录 下一题>
热门 试题

单项选择题
A．10 minutes.B．12 minutes.C．15 minutes.D．20 minutes.
A．10 minutes.
B．12 minutes.
C．15 minutes.
D．20 minutes.
单项选择题
A．In China.B．In India.C．In Britain.D．In the U.S.
A．In China.
B．In India.
C．In Britain.
D．In the U.S.
相关试题