–What do you often do classes to relax? –Listen to music or walk around the school.A. ove

问题补充：

–What do you often do classes to relax?

–Listen to music or walk around the school.

A. over B. through C. between

答案：

解析：介词辨析。Over越过；through通过；between在两者之间。句意；你在课间常常做什么来放松？结合语境可知本句指的是在两堂课之间，故选C。