元朝时，意大利旅行家_________ 来到中国。记述他在东方见闻的《_________ 》，激起了欧洲人对东方的向往
马可·波罗；《马可·波罗行记》
It is said that Chinese people_________ to travel to Hongkong freely next year.
A．are allowed
B．allow
C．will allow
D．will be allowed
烟机反动式指烟气在两轮叶片中流动对叶片的着向力相反.
