Peter is never late for school ,is he?----____.he always comes to school on time.A.No,he isn't B.

应该选A.never相当于not,是否定.这里的意思虽然是要表达肯定,即他总是按时到校,但表达方式需用否定.
Peter is never late for school ,is he?----No,he isn't.(字面意思：不,他is never late for school.｜中文意思：是的,他从不迟到.) He always comes to school on time.
类似的句子 － The sky is never blue here,is it?No,it isn't,it's always grey.