问题
选择题
At weekends in Nanjing,you can often see many people outside some restaurants, to have dinners.
A．sit; wait
B．seated; waiting
C．seating; waiting
D．sitting; wait
答案
答案：B
seated outside some restaurants是过去分词作宾补，people与seat之间是被动关系；waiting是动词的ing形式，作伴随状语。