After learning this unit, students will be able to
1. master the vocabulary about the numbers;
2. know how to read cardinals and ordinals;
3. know how to toast and answer the questions about the numbers. HfiUexzjFyyPqiHQgAgu6iZKAsyrLq9vxSU9JDTu7U+WS4lwtYoFZ4E5A54Tx+6b
