－What’s his brother?－He is a teacher.He maths at a school.A. taught B. has taughtC. teache

问题补充：

－What’s his brother?

－He is a teacher.He maths at a school.

A. taught

B. has taught

C. teaches

D. will teach

答案：

A. taught

B. has taught

(答案→)C. teaches

D. will teach

解析：通过情景来判断时态，根据表示经常反复发生的动作用一般现在时。