根据所提供的句子意思，用所给单词的正确形式填空，使句子意思完整。并在答题卡上将答案填写在对应题号的横线上。
How many __________ ( tooth) do you have?
December is the __________ (twelve) month of a year.
It’s time ___________ (have) lunch. Let’s go to the dining hall.
What about __________ (go) hiking this Sunday?
There are __________ (hundred) of students on the playground.
Of the three rulers, __________ (my) is the shortest.
Beihai is in Guangxi in __________ (south) China.
The reporter spoke loudly so that everyone in the hall could hear him __________ (clear).
We didn’t know the way, so we asked those _________ (village) for help.
The bridge was _________ (build) five hundred years ago.