单项选择题A．They are required to attend classes twenty hours each week.B．They must be taught during spring and autumn.C．They are required to look after themselves.D．They are required to learn many subjects.

单项选择题A．He felt it was unfair to ask the young man to leave the job.B．It made him comfortable to tell the young man that he had lost his job.C．He felt sorry for the young man’s having to leave the job.D．He thought that the young man had been misjudged.