We can get more ______ about the international affairs on the Internet than before．

Dogs have a very good ______ of smell and are often used to search for survivors in the earthquake.　　　　　　　　　　　　　　　　　　　　　　　　　

My father’s _____ is my grandfather.

_____mothers both work in the same hospital.

Some money which is given as a “present” in a competition is a ______.