【单选题】
常用的英语:当外国乘客说How do you do?的时候你应该回答什么?()
A、No
B、I am fine
C、I don't know
D、I have no idea
A、No
B、I am fine
C、I don't know
D、I have no idea
A、How ofen do the course? B、How about the flavour of this course? C、How long does it preparefor dinner? D、How long does it take to cook this course?