下列哪项业务办理不需要二次确认（）
A.亲情网添加副号
B.流量加油包办理
C.WLAN办理
参考答案：B
--- I’m sure Andrew will win the first prize in the final.
--- I think so. He _____ for it for months.
A．is preparing
B．was preparing
C．had been preparing
D．has been preparing
填隙物
