问题
选择题
30. When he was only thirty years old, he had already experienced______most people only experience when they are much older.
A．what
B．which
C．who
D．When
答案
答案：A
搜题请搜索小程序“爱下问搜题”
30. When he was only thirty years old, he had already experienced______most people only experience when they are much older.
A．what
B．which
C．who
D．When
答案：A