质量文件一般为楼式结构，由二、三层或四层文件组成。（）
参考答案：错
— 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
劳动教养时问，从通知收容之日起计算。 ( )
