––– I promise my daughter ____ get a nice present on her birthday. ––– I think it will be a big surprise to her.

– Must I get to school at 7:30 every morning? – ________. Just arrive before 8 o’clock.

—I didn’t tell him the news.—Oh, you ought _______.

---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.

--- What kind of house do you want to have? Something big?  --- Well, it         be big --- that’s not important.