Painting from still images leads to a loss of sensitivity, which is _______ to an artist.

The dog had such ______ to his master that it would not leave him, even when he was dead.

Tony can hardly boil an egg，still________cook dinner.        

Interest is as________to learning as the ability to understand，even more so.

 While intelligent people can often ________ the complex, a fool is more likely to complicate the simple.