3. this ,that.it 的用法
2. numbers
1. be 动词的缩写
15. Is this/that an egg?Yes,it is./No,it isn’t.
14. How old are you?I’m twelve.
13. What class/grade/row are you in?
12. What’s … plus/and/minus….?
11. Welcome to China.
10. 介绍用语 This is Lucy. ---Who is that?--- This is Jack speaking.
9. --- Thank you. --- You’re welcome.