问题
选择题
I’m waiting for the mail. Do you know _____ it will arrive?
A．when
B．where
C．how
D．what
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I’m waiting for the mail. Do you know _____ it will arrive?
A．when
B．where
C．how
D．what
答案：A