You can only be sure of ____ you have at present; you cannot be sure of something ____ you might get in the future.

________, I think, and the problem could be settled.

Suddenly he ____________his mother in the crowd and ran to her

The Greens live _____ that building. They live ______ the sixth floor.

It was in films ______ he created the famous images of the lonely tramp_______ people love to this day.[ ]