At the foot of Wulian Mountains, you can hear the _______ of the running water.

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

_____your poor record in school , we think you should study harder

You shouldn’t have quarrelled with the customs official________ helping the situation, you just made it worse

o men were______ with receiving stolen property, which would probably result in their imprisonment.