B: I want to be a doctor.
B: I'm going to study medicine really hard.
A: Sounds great. ?
B: I'm going to work in Beijing.
B: I'm going to start next year.
A: Good luck!
【答案】["What do you want to be?","How are you going to do that?","Where are you going to study?","When are you going to start?","Thanks./Thank you."]
【解析】（1）根据答语可知可推知这里是问对方想做什么，所以填写What do you want to be?
（2）根据上句I want to be a doctor.结合答语I'm going to study medicine really hard 可知这里是问对方打算怎么做，所以填写How are you going to do that?
（3）根据答语I'm going to work in Beijing.可推知这里是问对方打算去那里学习，所以填写Where are you going to study?
（4）根据答语I'm going to start next year可知这里是问对方打算何时开始，所以填写When are you going to start?
（5）根据上句Good luck!可知这里应该表示感谢，所以填写Thanks./Thank you.