1. I will  s____ you a postcard as a present to you on your birthday.
2. — Do you m____ my opening the window?
    — You'd better not.
3. — Will you be f____ tomorrow? I'll take you to see a film.
    — Of course.
4. Andy is very c____, and she answer the difficult question.
5. There are four s____ in a year. And I like spring best.