题目

What do Richard Branson,Jack Dorsey,and Michelle Obama all have in common? Besides being  61   (extreme) successful,each of them is known for   62   (wake) up very early.The three famous persons’ examples tell us how this habit can make a   63   (different) in life, 64   can help you ,too. Early rising is helpful in more than one way.To begin with,it helps us to have good health.The air is never   65   fresh as early in the morning.Early rising gives you time to take exercise.Besides,early rising helps us in our studies.In the morning we learn more quickly and find 7．-I'm sorry I'm late．-_______（　　）A．I don't think so．B．Don't say so．C．It doesn't matter．