A．they were not fed B．they were so hungry C．they were whipped so hard by them D．they were so happy
单项选择题How many students were shot dead in 1997 in the US schools（）
A．9 B．10 C．12 D．22
单项选择题The author advises us to be（）
A．friendly to everybody B．considerate to others C．aware of man’s weakness D．meet other’s demands
