City life often provides us more convenience and entertainment than country life, but not ______quiet and easy.

This argument sounds reasonable, but ___________ it’s incorrect. 

—He isn’t particular about his food.—Yes, he eats_____________ anything.

There is no need to add in trees to create shade because many town and city gardens are __________ shaded by buildings.

The test not only helps make our _____ acquired knowledge permanent, but also enables us to find out what needs to take more time to improve.