In the good care of the nurses, the boy is      recovering from his heart operation.

I don’t want to read all these old newspapers, please tell me where the __ ones are. 

. There is a tradition of having a family dinner at home on lunar New Year’s Eve.  _____, however, the custom has changed.

Up to now, Hope Project has helped thousands of students who would       have dropped out of school.

There was _________ no wind and the air was very hot.