December 17, 2011 was a sad day for the North Koreans, ______ their top leader Kim Jung-ill passed away unexpectedly.
On a _____ morning the little girl was found _____ at the corner of the street.
We had to _________ the engine piece by piece for transport.
The little boy was in danger. The doctors and nurses are doing him.
_______ the end of last term, we had learned 3,000 English words.