问题
选择题
--- What made Bill so angry?
--- _____. His girl friend promised to come at 8:30, but she hasn’t come yet.
A．Having kept waiting
B．Being kept waiting
C．To be kept waiting
D．Being kept waited
答案
答案：B
题干是什么使Bill 如此的生气？应回答为Being kept waiting made Bill so angry . 一直等使Bill很生气。选B ,这是一种省略结构。