Everybody talks about the taste of great food, but hardly _________ about the tongue and the nose that make the tasting possible.

The Acropolis was constructed in the 5th century BC ______ a high altitude above the city _____ Athena, the goddess of Athena.

Does Babara go to work_______ bus or _______ foot? [ ]

I have ____ new friend. She is from ______Nanjing.

_____of the warm water _____already been used up.