In order to continue to learn by ourselves after leaving school, we must ______ learn how to study in the school now .
It is a fact that there is a ______ towards regional cooperation.
Teenagers are often treated like ______ bigger children, but they are old enough to be independent.
Nobody but doctors or nurses and those ______ by Dr Hu ______ to enter the patient’s room.
______ I am willing to help, I do not have much time available.
— What do you think I should do?— I think you should call him back ______.