When I try to understand _______ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
Lewin was interested in taking research beyond books and looking at how it could________real social change.
—I failed my driving test. —________;they say the best drivers always fail the first time.
A positive attitude,________with willingness to seek appropriate help and exercising solid study habits,will do much to determine how well you do in your studies.
Generally speaking,almost all the kids are________about how everything around them works.
While prices are rising so fast,many people are working out ways to________their expenses.