问题
选择题
A conductor was invited to keep us_________in the singing at the School Art Festival.
A．in common
B．in advance
C．in time
D．in return
答案
答案：C
搜题请搜索小程序“爱下问搜题”
A conductor was invited to keep us_________in the singing at the School Art Festival.
A．in common
B．in advance
C．in time
D．in return
答案：C