问题
选择题
______ our return, all the students burst into cheers for our excellent performances.
A．At
B．In
C．On
D．With
答案
答案：C
搜题请搜索小程序“爱下问搜题”
______ our return, all the students burst into cheers for our excellent performances.
A．At
B．In
C．On
D．With
答案：C
可知，B与F成正比，与IL成反比