商业银行的职能是（）、（） 、 （） 和（）职能。
参考答案：信用中介；支付中介；信用创造；金融服务
--- You must be very excited about going to New York for further study.
--- _________,but I am afraid I won’t do well because my English is poor.
A．I’m sorry
B．Certainly not
C．I don’t know yet
D．Well, I ought to be
