— Mum, will you buy me the new iPad after the Entrance Examination?
— I’m afraid I ________, dear. We are short of money now.

—Must I go to the shop with you，Mum?
—Err... I can make it myself，Mike. You         go with me.

---Is that Lucy’s sister, Lily?
---No, it _______ be her. She has gone to English.

--- Do you have any plans for this weekend?
--- I’m not sure. I _____ go climbing Mount Baoshi.

– Must I finish my work today?
-- No, you _______.

You _____ to the meeting tomorrow if you have something important to do.

-There is someone knocking at the door.
- It ______ be Jimmy, he has gone to ShangHai .

— Must I do the rest of the work today?
— No, you _________  finish it tomorrow.

This toy Mickey Mouse _______be Amy's. She's the only kid at the picnic.

—I can’t stop smoking, doctor.
— For your health, I’m afraid you ______.