Lewin was interested in taking research beyond books and looking at how it could________real social change.
—How do you find your new pen? —Wow, _____. It’s really worth the money I paid.
It’s dangerous if you have the fire _____ all night long.
The Gate of Fortune, from ____ top visitors can enjoy a wonderful sea view, will attract lots of tourists.
After 15 years in the USA, he has finally decided to _____ American citizen-ship.
—Why not take my car to the museum instead of walking? —No, thanks, ______.