Reforming the education system will be a long and difficult ___. In this course, people should make effort to throw the old one.
There are two thousand students in this college, ______ are from the countryside.
---How can you keep slim as a mother of two sons? ---I _______ in the gym for years.
In the past ten years, the ____mountain climber ____ a lot from his own adventurous _______
The average temperature this year is _______ that of last year.
I don’t suppose Tom has told you the news, _______?