— Must we get to the airport before 8 o’clock?— No, you _____. The plane takes off at 12 o’clock.

 As to the question of whether we will sell our house or who we shall sell the house to, you ____ have answer by tomorrow.

 You __________be tired—you’ve only been working for an hour.

---Look. The man at the gate _____ be our headmaster. He is always standing there every morning.---No. it ____ be him. He is having a meeting in the office now.

—Do you want to play basketball after school, Jack?—   . I have to practice my English.