-- What does Jack’s father do? He is a teacher. Hemaths at a school.A. taughtB. has tau

问题补充：

-- What does Jack’s father do?

-- He is a teacher. Hemaths 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：根据对话的内容得知，问Jack父亲现在的职业，从回答中也体现了一般现在时，而且主语是单数第三人称，teach的单数要加es,因此选择C。