The writer believes that the rhythm of our footsteps changes as__
My car is as good as new, even though __________(虽然用了一年多了).
None of us ____ (预料到他会出现) at the party. We thought he was still in hospital.
The room is in a terrible mess; it ____ (肯定没打扫过).
According to many doctors and nutritionists, our maximum daily calorie intake of fat calories is ______.
Miss Wang came into the classroom, (follow) __ a group of students.