单项选择题
A．knew they were naked but didn' t feel ashamed B．knew nothing about shame and didn' t know they were naked C．covered their bodies with leaves and were not ashamed D．were not ashamed because they were not naked
A．some B．any C．such D．no
A．He first worked out thirty tasks for mentally deficient children. B．He first gave all the tasks to many children both younger and older. C．He first gave the tasks to many children he thought appropriate. D．He first gave some of the tasks to different groups of children.