一般疑问句：Do you go to Hongkong by plane?肯定回答：Yes, we do.否定回答：No, we don't.
你好一般疑问句：Do you go to Hong Kong by plane?回答：No, we don't.
(别人问你，根据题目一般现在时)Do you go to Hong Kong by plane？No，we don't.
