单项选择题
A. a tailor's B. tailor's C. the tailor D. the tailor's
A. not to be touched B. untouched C. untouching D. no touch
A．It is good to correct all the errors B．A teacher should write something on the papers to encourage his students C．A teacher’ s handwriting must be tidy and clear D．A teacher had better point out the way for each student to improve his writing