问题
选择题
Can you tell me ______ to join the army?
A．how does a person have to be old
B．how old does a person have to be
C．how old a person has to be
D．how a person has to be
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Can you tell me ______ to join the army?
A．how does a person have to be old
B．how old does a person have to be
C．how old a person has to be
D．how a person has to be
答案：C
