问题
单项选择题
It's one of the best（）I have ever been to.
A.concerts
B.a concert
C.the concert
D.concert
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
It's one of the best（）I have ever been to.
A.concerts
B.a concert
C.the concert
D.concert
参考答案：A