The street in Heifei is (much cleaner) than it was five years ago.对括号内提问
问题描述：
The street in Heifei is (much cleaner) than it was five years ago.对括号内提问
答
Are the streets in Heifei cleaner than it was five years ago?
答
What do you think of the street in Heifei than it was five years ago?
答
What do you think about the street in Heifei than it was five years ago?
How do you like the street in Heifei than it was five years ago?
How do you feel about the street in Heifei than it was five years ago?