问题
选择题
Pompeii _______ by so many tourists that some of the relics are not well protected.
A．has been visited
B．is visited
C．is visiting
D．was visited
答案
答案：A
考查时态。句意：庞贝成被如此多的旅游者参观访问，以至于一些遗迹没有得到很好的保护。可知句子叙述的是现在已经完成的动作，庞贝城是动作的对象，故用完成时态被动语态，选A。