Question

zak is due for an annual health checkup. which topic should he discuss with his doctor? his grades at school his aching tooth his difficulty obtaining a job his pain when using the restroom

Explanation:

医生是负责健康相关问题的专业人士。牙齿疼痛（his aching tooth）和使用卫生间时的疼痛（his pain when using the restroom）都属于健康问题范畴，应该在年度健康检查时与医生讨论。而学校成绩（his grades at school）属于教育相关，获取工作困难（his difficulty obtaining a job）属于职业或社会等其他方面，通常不是与医生讨论的内容。

Answer:

his aching tooth，his pain when using the restroom