读答句,根据提示写出问句.
问题描述：
读答句,根据提示写出问句.
1.An old man visited a doctor.(Who...visit?)
2.The doctor listened to his heart.(What...do?)
3.The old man felt really bad.(How...)
4.The old man died outside the door.(Where...die?)
答
1.Who did the old man visit?
2.What did the doctor do to his heart?
3.How did the old man feel?
4.Where did the old man die?