—He can write well. ---He_____, but he doesn’t. He’s too lazy.

---Could I have some snacks between meals, mum?---No, you __________.

As I was sitting down for dinner,the telephone ________ring.

—Can I go to the park, Mum?—Certainly. But you ______ be back by six o’clock. 

 —Must the government of Philippines (菲律宾政府) say sorry to China？—Yes, they __________. Their behaviour has deeply hurt Chinese people.