单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．A movie.
B．A theatre.
C．A restaurant.
D．A park.
<上一题 目录 下一题>
热门 试题

填空题
spans
填空题
According to the normal ratio of ions in the air, how many negative ions are there in one cubic centimeter of air__________________.
相关试题