a doctor helps sick people这是什么意思?如果这是答案怎么提问?
问题描述：
a doctor helps sick people这是什么意思?如果这是答案怎么提问?
答
What is a doctor 's responsibility?
答
医生帮助生病的人。
Who helps sick people?
Whom does a doctor help?
答
医生是治病救人的
what does a doctor do?