It is strange that the small boy _________ work out such a difficult exercise, which is even hard to settle for adults.
_______ it goes on, hour ________ hour.
The headmaster _________ a noisy boy from the library.
There is ________ today's newspaper.
_______ a cold morning, I opened the window and was glad to find that It was snowing outside.
The world ______. Things never stay the same.