The Yellow River is _________ river in China.
______ is the first month of the year.
We sell our clothes ______ very good prices. Socks are only $2 ______ three pairs.
--- How much ______ that brown sweater?--- ______ six dollars.
--- ______ are their keys?--- I don’t know. Are they in the bag?
This is ______ art book. ______ book is Alan’s.