______ it is true that a student's most important goal is to do well in his or her studies, it doesn't need to be the only goal.
Jack, try to learn some relaxation exercises and do them ______ you feel stressed.
It is _____ world of wonders, ______ world where anything can happen.
A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
As we all know, ______ medical examination will help us find out health problems as early as possible.
Ann ______ here any more.She left last month.