What a ______ smell! How long was it since you last cleaned the house?

Compared with other animals, snakes are believed to be below ____ in intelligence.

Children who are over-protected by their parents may become _____.

According to a White Paper on the health of Chinese white collar workers, 60 percent are over- _______ and 76 percent in poor ________ , with fewer than 3 percent really _________ .

From his      look, I guess his exam result this time is      .