单项选择题

A．They were talking about their home towns.
B．They were discussing how echoes worked in different places.
C．They were joking with each other.
D．They were talking about their recent travels.
<上一题 目录 下一题>
热门 试题

单项选择题
The Australian government has been increasing expenditure for four years.
A．Y
B．N
C．NG
相关试题