商业汇票的提示付款期限为自汇票到期日起10日。()
参考答案：对
解析：
本题的说法正确。
The two friends ______on the Internet for three hours, and they would go on till the next morning.
A．have been chatting
B．had been chatting
C．were chatting
D．had chatted
林间如何区别分月扇舟蛾和杨扇舟蛾幼虫？
