—Susan’s parents have bought a large house with a swimming pool.—It               be very expensive.

---Could I use your bike? ---Yes, of course you_________.

 Next week, ____ the students will have a basketball game.

—Must I finish my homework now?—No, you _______.

---I don’t care what my parents think. ---Well, you __________.

It’s Sunday tomorrow, so you _______ get up so early. 

 ---Must I be back home before 6 o’clock? ---No, you ____. But don’t be too late.

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

—May I         this pair of blue jeans? —Yes, you        .

 —Is the woman over there Miss White? —It ______ be her. She’s gone to Hangzhou.

---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.

They can hardly move at all, _____________?

 Jack _______ swim when he was five years old. 

— Must they clean and tidy the classroom now? — No, they      . It       after school in the afternoon.

—Can I wear any clothes I like to school?—No, you can’t. You ___ wear a uniform.

–Whose shirt is this?--It _______ be Li Lei’s. It is too big for him.

——Who’s that man? Is he Mr. Brown?——That    be Mr. Brown. He never walks this way.

--Listen! Is it Linda singing in the next room? --No, it __________ be her. She is still in Shanghai.

---__________ I have a ticket , please?                                          ---Sorry,sir. All the tickets were sold out ten minutes ago.

I’m very glad I have my own room in my house. I ______ do what I want in it.