What do you often do _____ classes to relax?_Listen to music or walk around the school.A、over B、through C、between D、among

问题描述:

What do you often do _____ classes to relax?_Listen to music or walk around the school.
A、over B、through C、between D、among

选C between
between classes意思是课与课之间,即课间休息的时候

D、among
classes应该是多个,不能选C