John is the only one of the students in our class that never a mistake even when it is poi

问题补充：

John is the only one of the students in our class that never a mistake even when it is pointed out to him.

A. admit making

B. admits making

C. admit to make

D. admits to make

答案：

A. admit making

(答案→)B. admits making

C. admit to make

D. admits to make

解析：考察admit 用法，后接doing sth，表示承认做过某事，不能接不定式，to后面只能接名词或者名词短语。Admit的注意为John，一般现在时态单数第三人称后动词应加s，故选C。