1 feel that one of my main duties a teacher is to help the students to become better lear

问题补充：

1 feel that one of my main duties a teacher is to help the students to become better learners.

A. for

B. by

C. as

D. with

答案：

A. for

B. by

(答案→)C. as

D. with

解析：本题考查介词as “作为”的用法。句意为：我感觉作为一名教师的主要职责之一是要帮助学生们成为更好的学习者。