Lesson 10 Exercise 一、快来读句子,根据首字母补全单词。1. There are twentyfour h________ in a day. 2. I o________ go to school by bus. 3. We e________ on the playground every day. 4. I walk home a________ school. 5. How many m________ do you run?二、单项选择。( ) 1. Exercise ______make...