Whether the buildings in this area should be pulled down has remained ________; people are still looking for other possible solutions.

Trapped by the police, the terrorists made their ______ attempt to explode the bomb that they carried.

—I always close all the windows before I sleep.　—You’re right. You can not be too ____. 

I do hope so because I want you to live     as I have.

My brother likes eating very much but he isn't very _____ about the food he eats.