A good story does not necessarily have to have a happy ending, but the reader must not be left __________.
-If you could reduce the price __________$15,I could increase my order. -I'm afraid the best I can do is $10.
-The cars give off a great deal of waste gas in the street. -Yes, but I'm sure something will be done to __________ air pollution.
__________ either you or I to look after her?
The lion is considered king of the forest as it is a(n)__________ of courage and power.
Our enlarged school campus is __________ the old one.