问题补充:
It was 5 o’clock the visitors finally arrived at Pudong International Airport.
A. when
B. that
C. before
D. since
答案:
(答案→)A. when
B. that
C. before
D. since
解析:考查时间状语从句:句意:游客们终于抵达了浦东国际机场的时候是5点。When引导时间状语从句,前面的it是指时间,考生容易错选成that因为是强调句,实际上把强调句结构去掉,这句话缺少介词at,所以是时间状语从句,选A。