—Peter’s father is a math teacher.—I think so. He teaches .A. good; well B. well; well C.

问题补充：

—Peter’s father is a math teacher.

—I think so. He teaches .

A. good; well

B. well; well

C. good; good

D. well; good

答案：

(答案→)A. good; well

B. well; well

C. good; good

D. well; good

解析：good形容词，好的；well用作形容词，是健康的，良好的。用做副词，是很好地，充分地。句意：彼得的父亲是一个不错的数学老师。——我也这么想。他教得非常好。结合语境可知上文用形容词作定语，下文用副词作状语，故选A。