---Does Lucy have a ________ for a particular color? ---Yes, she likes blue best. 

We all felt a sense of ______ when we saw so many overseas Chinese coming back safe and sound from Libya.

Putin will run for president next March in an election that could open the way for him to stay in ______ for 12 more years.

The medicine should usually be kept out of the ________ of children at home.

—I am afraid this pair of shoes is a little expensive．—If you really want to buy them, I will give you a ____ of 10 percent．