单项选择题
A．stopper on shout B．stopped shouting C．didn’t stop shouting D．didn’t stop shout
A．the English language is difficult B．English is difficult C．the English is difficult D．what English is difficult
A．信用证；提单；买方 B．提单；信用证；买方 C．提单；信用证；卖方 D．信用证；提单；卖方