Ⅰ. 根据句意及汉语提示完成单词(2分钟，5分)
1. Mr. Liu is my _____(英语) teacher.
2. Tom is_____ (十三) years old this year.
3. Can you_____ (打开) the door, please?
4. This is our_____ (第一的) lesson.
5. There are 52 _____ (班级) in our school.
答案: 1. English 2. thirteen 3. open 4. first 5. classes
