1 . 用方框中所给词的适当形式填空

sell       price       five       father       international

1. The ________ month of a year is May.
2. When is your ________ birthday?
3. These bikes are on ________.
4. They hope to buy the computer at a low ________.
5. He hopes to set up a/an ________ school.

2 . 这是我的爸爸。
__________________________________________

3 . 他是我爸爸。
________ ________ my ________.

4 . about, love, father, the, story, is, and, between, son (.) (连词成句)
_________________________.