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The ________ month of a year is August.
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A．eight B．eightth C．eighth
A. twelve B. twelfth C. the twelfth D. twelfths
December is the _____ month of a year．
A．twelve B．twelveth C．twelvieth D．twelfth
September is the ________ month of a year．
A．nineth
B．nine
C．ninth
D．nineteenth
The ________ month of a year is September．