The ________ month of a year is December．

1. A.
   two
2. B.
   second
3. C.
   twelve
4. D.
   twelfth

December is the ______ month in a year.

 December is the ______ month in a year.

A．twenty           B．twelve            C．twentieth         D．twelfth

December is the ________ month of the year.

1. A.
   12
2. B.
   twelve
3. C.
   twelveth
4. D.
   twelfth