I’m afraid I’m not _____to help with the talent show, for I am fully occupied with my own project.

She is not __________ to pass the examination as she doesn’t work hard.

—Excuse me, where is Johnson?—He cannot go home, as his book is lying __________on his desk. 

We used to see each other _____, but haven’t heard from him since last year.

6. As there is less and less coal and oil, scientists are exploring new ways of making use of   energy, such as sunlight, wind and water for power and fuel.