How dirty the windows are! They really require _______.
—Remember the first time we met, Jack? — Of course I do. You ______ in the library.
-I plan to invite our friends to have supper.-______We haven’t seen them such a long time.
The couple work in their garden every morning, ______ for a weight loss.
— Is there a flight to London this evening? — There ______be. I’ll phone the airport and find it out.
- What gave him the chance to go to a college to go on with his studies ?-______ a scholarship.