词汇运用 (本大题共8分，每小题1分) A、根据句意和中文注释，写出单词的正确形式。
Look! There’re two ________ (地理) lessons in our class every week.
January is the ________ (第一) month of a year.
The teacher doesn’t tell me who often ________ (放飞) a kite in the playground in the class.
He always looks tired. Do you know the ________ (理由)?