Edison _______ the way to solve the problem.
We noticed that each animal and each tree in the park _____ being taken good care of.
Part of the reason Charles Dickens loved his own novel, David Copperfield, was _____ it was rather closely modeled on his own life.
That is the only way we can imagine _____ the overuse of water in students’ bathrooms.
Don’t phone me between 7:00 and 8:00 in the evening. We _____ dinner then.
Life in the 21st century is much better than_____ used to be.