发行人按照规定提前赎回混合资本债券、延期支付利息或混合资本债券到期延期支付本金和利息时，应提前（）个工作日报（）备案。
查看答案
There was an earthquake happened, _______ 100 people and with more than 300_______.
50 miles southwest of the country _______ the famous beautiful mountain.
__________ country in the world should do her best to keep the world peace.
微信支付 
支付宝支付